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Finding the Fourth Proportional to 53,527.71, 80,292.87 and 17,989.55

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Solution

The fourth proportional to 53,527.71, 80,292.87 and 17,989.55 is: 26,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,527.71 : 80,292.87 = 17,989.55 : x
  2. Step 2: Convert to fraction form
    53,527.71/80,292.87 = 17,989.55/x
  3. Step 3: Cross multiply
    53,527.71x = 80,292.87 × 17,989.55
  4. Step 4: Simplify right side
    53,527.71x = 1,444,432,499.14
  5. Step 5: Solve for x
    x = 1,444,432,499.14/53,527.71
  6. Step 6: Final answer
    x = 26,984.76

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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.