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Finding the Fourth Proportional to 51,878.68, 71,592.87 and 29,522.68

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Solution

The fourth proportional to 51,878.68, 71,592.87 and 29,522.68 is: 40,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878.68 : 71,592.87 = 29,522.68 : x
  2. Step 2: Convert to fraction form
    51,878.68/71,592.87 = 29,522.68/x
  3. Step 3: Cross multiply
    51,878.68x = 71,592.87 × 29,522.68
  4. Step 4: Simplify right side
    51,878.68x = 2,113,613,391.29
  5. Step 5: Solve for x
    x = 2,113,613,391.29/51,878.68
  6. Step 6: Final answer
    x = 40,741.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.