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Finding the Fourth Proportional to 29,487.84, 43,898.22 and 29,312.74

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Solution

The fourth proportional to 29,487.84, 43,898.22 and 29,312.74 is: 43,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.84 : 43,898.22 = 29,312.74 : x
  2. Step 2: Convert to fraction form
    29,487.84/43,898.22 = 29,312.74/x
  3. Step 3: Cross multiply
    29,487.84x = 43,898.22 × 29,312.74
  4. Step 4: Simplify right side
    29,487.84x = 1,286,777,109.32
  5. Step 5: Solve for x
    x = 1,286,777,109.32/29,487.84
  6. Step 6: Final answer
    x = 43,637.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.