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Finding the Fourth Proportional to 60,376.68, 90,447.21 and 39,537

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Solution

The fourth proportional to 60,376.68, 90,447.21 and 39,537 is: 59,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,376.68 : 90,447.21 = 39,537 : x
  2. Step 2: Convert to fraction form
    60,376.68/90,447.21 = 39,537/x
  3. Step 3: Cross multiply
    60,376.68x = 90,447.21 × 39,537
  4. Step 4: Simplify right side
    60,376.68x = 3,576,011,341.77
  5. Step 5: Solve for x
    x = 3,576,011,341.77/60,376.68
  6. Step 6: Final answer
    x = 59,228.35

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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.