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Finding the Fourth Proportional to 58,663.68, 80,956.48 and 31,806.24

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Solution

The fourth proportional to 58,663.68, 80,956.48 and 31,806.24 is: 43,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,663.68 : 80,956.48 = 31,806.24 : x
  2. Step 2: Convert to fraction form
    58,663.68/80,956.48 = 31,806.24/x
  3. Step 3: Cross multiply
    58,663.68x = 80,956.48 × 31,806.24
  4. Step 4: Simplify right side
    58,663.68x = 2,574,921,232.44
  5. Step 5: Solve for x
    x = 2,574,921,232.44/58,663.68
  6. Step 6: Final answer
    x = 43,892.94

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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.