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Finding the Fourth Proportional to 63,155.95, 94,713.42 and 21,024.72

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Solution

The fourth proportional to 63,155.95, 94,713.42 and 21,024.72 is: 31,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.95 : 94,713.42 = 21,024.72 : x
  2. Step 2: Convert to fraction form
    63,155.95/94,713.42 = 21,024.72/x
  3. Step 3: Cross multiply
    63,155.95x = 94,713.42 × 21,024.72
  4. Step 4: Simplify right side
    63,155.95x = 1,991,323,135.74
  5. Step 5: Solve for x
    x = 1,991,323,135.74/63,155.95
  6. Step 6: Final answer
    x = 31,530.25

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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.