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Finding the Fourth Proportional to 60,411.40, 90,437.90 and 44,897.80

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Solution

The fourth proportional to 60,411.40, 90,437.90 and 44,897.80 is: 67,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,411.40 : 90,437.90 = 44,897.80 : x
  2. Step 2: Convert to fraction form
    60,411.40/90,437.90 = 44,897.80/x
  3. Step 3: Cross multiply
    60,411.40x = 90,437.90 × 44,897.80
  4. Step 4: Simplify right side
    60,411.40x = 4,060,462,746.62
  5. Step 5: Solve for x
    x = 4,060,462,746.62/60,411.40
  6. Step 6: Final answer
    x = 67,213.52

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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.