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Finding the Fourth Proportional to 39,652.25, 59,478.42 and 11,950.25

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Solution

The fourth proportional to 39,652.25, 59,478.42 and 11,950.25 is: 17,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.25 : 59,478.42 = 11,950.25 : x
  2. Step 2: Convert to fraction form
    39,652.25/59,478.42 = 11,950.25/x
  3. Step 3: Cross multiply
    39,652.25x = 59,478.42 × 11,950.25
  4. Step 4: Simplify right side
    39,652.25x = 710,781,988.61
  5. Step 5: Solve for x
    x = 710,781,988.61/39,652.25
  6. Step 6: Final answer
    x = 17,925.39

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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.