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Finding the Fourth Proportional to 62,306.49, 85,981.84 and 35,448.42

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Solution

The fourth proportional to 62,306.49, 85,981.84 and 35,448.42 is: 48,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,306.49 : 85,981.84 = 35,448.42 : x
  2. Step 2: Convert to fraction form
    62,306.49/85,981.84 = 35,448.42/x
  3. Step 3: Cross multiply
    62,306.49x = 85,981.84 × 35,448.42
  4. Step 4: Simplify right side
    62,306.49x = 3,047,920,376.69
  5. Step 5: Solve for x
    x = 3,047,920,376.69/62,306.49
  6. Step 6: Final answer
    x = 48,918.18

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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.