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Finding the Fourth Proportional to 10,672.10, 16,008.15 and 9,700.10

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Solution

The fourth proportional to 10,672.10, 16,008.15 and 9,700.10 is: 14,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.10 : 16,008.15 = 9,700.10 : x
  2. Step 2: Convert to fraction form
    10,672.10/16,008.15 = 9,700.10/x
  3. Step 3: Cross multiply
    10,672.10x = 16,008.15 × 9,700.10
  4. Step 4: Simplify right side
    10,672.10x = 155,280,655.82
  5. Step 5: Solve for x
    x = 155,280,655.82/10,672.10
  6. Step 6: Final answer
    x = 14,550.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.