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Finding the Fourth Proportional to 62,239.88, 85,890.63 and 35,382.38

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Solution

The fourth proportional to 62,239.88, 85,890.63 and 35,382.38 is: 48,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,239.88 : 85,890.63 = 35,382.38 : x
  2. Step 2: Convert to fraction form
    62,239.88/85,890.63 = 35,382.38/x
  3. Step 3: Cross multiply
    62,239.88x = 85,890.63 × 35,382.38
  4. Step 4: Simplify right side
    62,239.88x = 3,039,014,909.10
  5. Step 5: Solve for x
    x = 3,039,014,909.10/62,239.88
  6. Step 6: Final answer
    x = 48,827.45

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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.