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Finding the Fourth Proportional to 10,688.92, 14,750.41 and 5,973.20

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Solution

The fourth proportional to 10,688.92, 14,750.41 and 5,973.20 is: 8,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.92 : 14,750.41 = 5,973.20 : x
  2. Step 2: Convert to fraction form
    10,688.92/14,750.41 = 5,973.20/x
  3. Step 3: Cross multiply
    10,688.92x = 14,750.41 × 5,973.20
  4. Step 4: Simplify right side
    10,688.92x = 88,107,149.01
  5. Step 5: Solve for x
    x = 88,107,149.01/10,688.92
  6. Step 6: Final answer
    x = 8,242.85

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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.