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Finding the Fourth Proportional to 14,865.61, 22,302.13 and 10,491.61

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Solution

The fourth proportional to 14,865.61, 22,302.13 and 10,491.61 is: 15,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.61 : 22,302.13 = 10,491.61 : x
  2. Step 2: Convert to fraction form
    14,865.61/22,302.13 = 10,491.61/x
  3. Step 3: Cross multiply
    14,865.61x = 22,302.13 × 10,491.61
  4. Step 4: Simplify right side
    14,865.61x = 233,985,289.47
  5. Step 5: Solve for x
    x = 233,985,289.47/14,865.61
  6. Step 6: Final answer
    x = 15,740.04

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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.