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Finding the Fourth Proportional to 48,655.98, 67,139.55 and 27,433.98

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Solution

The fourth proportional to 48,655.98, 67,139.55 and 27,433.98 is: 37,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.98 : 67,139.55 = 27,433.98 : x
  2. Step 2: Convert to fraction form
    48,655.98/67,139.55 = 27,433.98/x
  3. Step 3: Cross multiply
    48,655.98x = 67,139.55 × 27,433.98
  4. Step 4: Simplify right side
    48,655.98x = 1,841,905,071.91
  5. Step 5: Solve for x
    x = 1,841,905,071.91/48,655.98
  6. Step 6: Final answer
    x = 37,855.68

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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.