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Finding the Fourth Proportional to 5,581.04, 7,702.49 and 3,223.19

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Solution

The fourth proportional to 5,581.04, 7,702.49 and 3,223.19 is: 4,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.04 : 7,702.49 = 3,223.19 : x
  2. Step 2: Convert to fraction form
    5,581.04/7,702.49 = 3,223.19/x
  3. Step 3: Cross multiply
    5,581.04x = 7,702.49 × 3,223.19
  4. Step 4: Simplify right side
    5,581.04x = 24,826,616.06
  5. Step 5: Solve for x
    x = 24,826,616.06/5,581.04
  6. Step 6: Final answer
    x = 4,448.39

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Half scale
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Double scale
Find fourth proportional to 5,582.04, 7,703.87 and 3,224.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.