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Finding the Fourth Proportional to 16,864.48, 23,280.48 and 10,899.04

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Solution

The fourth proportional to 16,864.48, 23,280.48 and 10,899.04 is: 15,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.48 : 23,280.48 = 10,899.04 : x
  2. Step 2: Convert to fraction form
    16,864.48/23,280.48 = 10,899.04/x
  3. Step 3: Cross multiply
    16,864.48x = 23,280.48 × 10,899.04
  4. Step 4: Simplify right side
    16,864.48x = 253,734,882.74
  5. Step 5: Solve for x
    x = 253,734,882.74/16,864.48
  6. Step 6: Final answer
    x = 15,045.52

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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.