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Finding the Fourth Proportional to 16,165.61, 24,129.93 and 14,978.29

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Solution

The fourth proportional to 16,165.61, 24,129.93 and 14,978.29 is: 22,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.61 : 24,129.93 = 14,978.29 : x
  2. Step 2: Convert to fraction form
    16,165.61/24,129.93 = 14,978.29/x
  3. Step 3: Cross multiply
    16,165.61x = 24,129.93 × 14,978.29
  4. Step 4: Simplify right side
    16,165.61x = 361,425,089.22
  5. Step 5: Solve for x
    x = 361,425,089.22/16,165.61
  6. Step 6: Final answer
    x = 22,357.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.