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Finding the Fourth Proportional to 61,041.52, 84,226.80 and 38,393.92

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Solution

The fourth proportional to 61,041.52, 84,226.80 and 38,393.92 is: 52,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,041.52 : 84,226.80 = 38,393.92 : x
  2. Step 2: Convert to fraction form
    61,041.52/84,226.80 = 38,393.92/x
  3. Step 3: Cross multiply
    61,041.52x = 84,226.80 × 38,393.92
  4. Step 4: Simplify right side
    61,041.52x = 3,233,797,021.06
  5. Step 5: Solve for x
    x = 3,233,797,021.06/61,041.52
  6. Step 6: Final answer
    x = 52,977.01

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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.