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Finding the Fourth Proportional to 86,839.68, 130,254.72 and 24,506.88

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Solution

The fourth proportional to 86,839.68, 130,254.72 and 24,506.88 is: 36,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,839.68 : 130,254.72 = 24,506.88 : x
  2. Step 2: Convert to fraction form
    86,839.68/130,254.72 = 24,506.88/x
  3. Step 3: Cross multiply
    86,839.68x = 130,254.72 × 24,506.88
  4. Step 4: Simplify right side
    86,839.68x = 3,192,136,792.47
  5. Step 5: Solve for x
    x = 3,192,136,792.47/86,839.68
  6. Step 6: Final answer
    x = 36,758.97

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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.