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Finding the Fourth Proportional to 6,293.61, 8,703.99 and 5,528.16

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Solution

The fourth proportional to 6,293.61, 8,703.99 and 5,528.16 is: 7,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.61 : 8,703.99 = 5,528.16 : x
  2. Step 2: Convert to fraction form
    6,293.61/8,703.99 = 5,528.16/x
  3. Step 3: Cross multiply
    6,293.61x = 8,703.99 × 5,528.16
  4. Step 4: Simplify right side
    6,293.61x = 48,117,049.36
  5. Step 5: Solve for x
    x = 48,117,049.36/6,293.61
  6. Step 6: Final answer
    x = 7,645.38

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Half scale
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Double scale
Find fourth proportional to 6,294.61, 8,705.37 and 5,529.16
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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.