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Finding the Fourth Proportional to 86,752.60, 130,128.90 and 24,423.10

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Solution

The fourth proportional to 86,752.60, 130,128.90 and 24,423.10 is: 36,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,752.60 : 130,128.90 = 24,423.10 : x
  2. Step 2: Convert to fraction form
    86,752.60/130,128.90 = 24,423.10/x
  3. Step 3: Cross multiply
    86,752.60x = 130,128.90 × 24,423.10
  4. Step 4: Simplify right side
    86,752.60x = 3,178,151,137.59
  5. Step 5: Solve for x
    x = 3,178,151,137.59/86,752.60
  6. Step 6: Final answer
    x = 36,634.65

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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.