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Finding the Fourth Proportional to 56,474.50, 84,712.04 and 19,034.90

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Solution

The fourth proportional to 56,474.50, 84,712.04 and 19,034.90 is: 28,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.50 : 84,712.04 = 19,034.90 : x
  2. Step 2: Convert to fraction form
    56,474.50/84,712.04 = 19,034.90/x
  3. Step 3: Cross multiply
    56,474.50x = 84,712.04 × 19,034.90
  4. Step 4: Simplify right side
    56,474.50x = 1,612,485,151.89
  5. Step 5: Solve for x
    x = 1,612,485,151.89/56,474.50
  6. Step 6: Final answer
    x = 28,552.45

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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.