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Finding the Fourth Proportional to 48,636.42, 72,747.27 and 29,870.34

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Solution

The fourth proportional to 48,636.42, 72,747.27 and 29,870.34 is: 44,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,636.42 : 72,747.27 = 29,870.34 : x
  2. Step 2: Convert to fraction form
    48,636.42/72,747.27 = 29,870.34/x
  3. Step 3: Cross multiply
    48,636.42x = 72,747.27 × 29,870.34
  4. Step 4: Simplify right side
    48,636.42x = 2,172,985,688.97
  5. Step 5: Solve for x
    x = 2,172,985,688.97/48,636.42
  6. Step 6: Final answer
    x = 44,678.16

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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.