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Finding the Fourth Proportional to 71,773.79, 99,184.41 and 53,837.64

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Solution

The fourth proportional to 71,773.79, 99,184.41 and 53,837.64 is: 74,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,773.79 : 99,184.41 = 53,837.64 : x
  2. Step 2: Convert to fraction form
    71,773.79/99,184.41 = 53,837.64/x
  3. Step 3: Cross multiply
    71,773.79x = 99,184.41 × 53,837.64
  4. Step 4: Simplify right side
    71,773.79x = 5,339,854,559.19
  5. Step 5: Solve for x
    x = 5,339,854,559.19/71,773.79
  6. Step 6: Final answer
    x = 74,398.40

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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.