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Finding the Fourth Proportional to 4,012.92, 5,532.10 and 3,348.72

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Solution

The fourth proportional to 4,012.92, 5,532.10 and 3,348.72 is: 4,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.92 : 5,532.10 = 3,348.72 : x
  2. Step 2: Convert to fraction form
    4,012.92/5,532.10 = 3,348.72/x
  3. Step 3: Cross multiply
    4,012.92x = 5,532.10 × 3,348.72
  4. Step 4: Simplify right side
    4,012.92x = 18,525,445.54
  5. Step 5: Solve for x
    x = 18,525,445.54/4,012.92
  6. Step 6: Final answer
    x = 4,616.45

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Half scale
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Double scale
Find fourth proportional to 4,013.92, 5,533.48 and 3,349.72
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.