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Finding the Fourth Proportional to 61,051.68, 91,522.80 and 25,972.20

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Solution

The fourth proportional to 61,051.68, 91,522.80 and 25,972.20 is: 38,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,051.68 : 91,522.80 = 25,972.20 : x
  2. Step 2: Convert to fraction form
    61,051.68/91,522.80 = 25,972.20/x
  3. Step 3: Cross multiply
    61,051.68x = 91,522.80 × 25,972.20
  4. Step 4: Simplify right side
    61,051.68x = 2,377,048,466.16
  5. Step 5: Solve for x
    x = 2,377,048,466.16/61,051.68
  6. Step 6: Final answer
    x = 38,935.02

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1.5x scale

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.