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Finding the Fourth Proportional to 66,471.24, 99,677.76 and 24,889.08

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Solution

The fourth proportional to 66,471.24, 99,677.76 and 24,889.08 is: 37,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,471.24 : 99,677.76 = 24,889.08 : x
  2. Step 2: Convert to fraction form
    66,471.24/99,677.76 = 24,889.08/x
  3. Step 3: Cross multiply
    66,471.24x = 99,677.76 × 24,889.08
  4. Step 4: Simplify right side
    66,471.24x = 2,480,887,742.86
  5. Step 5: Solve for x
    x = 2,480,887,742.86/66,471.24
  6. Step 6: Final answer
    x = 37,322.72

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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.