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Finding the Fourth Proportional to 60,010.56, 90,023.04 and 20,574.72

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Solution

The fourth proportional to 60,010.56, 90,023.04 and 20,574.72 is: 30,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,010.56 : 90,023.04 = 20,574.72 : x
  2. Step 2: Convert to fraction form
    60,010.56/90,023.04 = 20,574.72/x
  3. Step 3: Cross multiply
    60,010.56x = 90,023.04 × 20,574.72
  4. Step 4: Simplify right side
    60,010.56x = 1,852,198,841.55
  5. Step 5: Solve for x
    x = 1,852,198,841.55/60,010.56
  6. Step 6: Final answer
    x = 30,864.55

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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.