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Finding the Fourth Proportional to 86,754.60, 130,131.90 and 24,425.10

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Solution

The fourth proportional to 86,754.60, 130,131.90 and 24,425.10 is: 36,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,754.60 : 130,131.90 = 24,425.10 : x
  2. Step 2: Convert to fraction form
    86,754.60/130,131.90 = 24,425.10/x
  3. Step 3: Cross multiply
    86,754.60x = 130,131.90 × 24,425.10
  4. Step 4: Simplify right side
    86,754.60x = 3,178,484,670.69
  5. Step 5: Solve for x
    x = 3,178,484,670.69/86,754.60
  6. Step 6: Final answer
    x = 36,637.65

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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.