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Finding the Fourth Proportional to 56,681.44, 85,177.68 and 53,460.88

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Solution

The fourth proportional to 56,681.44, 85,177.68 and 53,460.88 is: 80,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,681.44 : 85,177.68 = 53,460.88 : x
  2. Step 2: Convert to fraction form
    56,681.44/85,177.68 = 53,460.88/x
  3. Step 3: Cross multiply
    56,681.44x = 85,177.68 × 53,460.88
  4. Step 4: Simplify right side
    56,681.44x = 4,553,673,729.16
  5. Step 5: Solve for x
    x = 4,553,673,729.16/56,681.44
  6. Step 6: Final answer
    x = 80,338.00

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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.