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Finding the Fourth Proportional to 83,703.61, 125,555.40 and 36,947.17

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Solution

The fourth proportional to 83,703.61, 125,555.40 and 36,947.17 is: 55,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,703.61 : 125,555.40 = 36,947.17 : x
  2. Step 2: Convert to fraction form
    83,703.61/125,555.40 = 36,947.17/x
  3. Step 3: Cross multiply
    83,703.61x = 125,555.40 × 36,947.17
  4. Step 4: Simplify right side
    83,703.61x = 4,638,916,394.33
  5. Step 5: Solve for x
    x = 4,638,916,394.33/83,703.61
  6. Step 6: Final answer
    x = 55,420.75

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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.