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Finding the Fourth Proportional to 86,875.70, 130,313.55 and 24,546.20

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Solution

The fourth proportional to 86,875.70, 130,313.55 and 24,546.20 is: 36,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.70 : 130,313.55 = 24,546.20 : x
  2. Step 2: Convert to fraction form
    86,875.70/130,313.55 = 24,546.20/x
  3. Step 3: Cross multiply
    86,875.70x = 130,313.55 × 24,546.20
  4. Step 4: Simplify right side
    86,875.70x = 3,198,702,461.01
  5. Step 5: Solve for x
    x = 3,198,702,461.01/86,875.70
  6. Step 6: Final answer
    x = 36,819.30

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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.