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Finding the Fourth Proportional to 63,361, 95,041.50 and 19,585

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Solution

The fourth proportional to 63,361, 95,041.50 and 19,585 is: 29,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,361 : 95,041.50 = 19,585 : x
  2. Step 2: Convert to fraction form
    63,361/95,041.50 = 19,585/x
  3. Step 3: Cross multiply
    63,361x = 95,041.50 × 19,585
  4. Step 4: Simplify right side
    63,361x = 1,861,387,777.50
  5. Step 5: Solve for x
    x = 1,861,387,777.50/63,361
  6. Step 6: Final answer
    x = 29,377.50

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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.