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Finding the Fourth Proportional to 61,588.98, 85,000.39 and 34,731

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Solution

The fourth proportional to 61,588.98, 85,000.39 and 34,731 is: 47,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,588.98 : 85,000.39 = 34,731 : x
  2. Step 2: Convert to fraction form
    61,588.98/85,000.39 = 34,731/x
  3. Step 3: Cross multiply
    61,588.98x = 85,000.39 × 34,731
  4. Step 4: Simplify right side
    61,588.98x = 2,952,148,458.26
  5. Step 5: Solve for x
    x = 2,952,148,458.26/61,588.98
  6. Step 6: Final answer
    x = 47,933.06

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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.