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Finding the Fourth Proportional to 61,666.24, 92,499.52 and 14,919.04

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Solution

The fourth proportional to 61,666.24, 92,499.52 and 14,919.04 is: 22,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.24 : 92,499.52 = 14,919.04 : x
  2. Step 2: Convert to fraction form
    61,666.24/92,499.52 = 14,919.04/x
  3. Step 3: Cross multiply
    61,666.24x = 92,499.52 × 14,919.04
  4. Step 4: Simplify right side
    61,666.24x = 1,380,004,038.86
  5. Step 5: Solve for x
    x = 1,380,004,038.86/61,666.24
  6. Step 6: Final answer
    x = 22,378.60

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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.