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Finding the Fourth Proportional to 53,777.68, 80,614.68 and 25,690.12

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Solution

The fourth proportional to 53,777.68, 80,614.68 and 25,690.12 is: 38,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,777.68 : 80,614.68 = 25,690.12 : x
  2. Step 2: Convert to fraction form
    53,777.68/80,614.68 = 25,690.12/x
  3. Step 3: Cross multiply
    53,777.68x = 80,614.68 × 25,690.12
  4. Step 4: Simplify right side
    53,777.68x = 2,071,000,802.96
  5. Step 5: Solve for x
    x = 2,071,000,802.96/53,777.68
  6. Step 6: Final answer
    x = 38,510.42

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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.