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Finding the Fourth Proportional to 61,092.72, 84,312.96 and 35,947.08

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Solution

The fourth proportional to 61,092.72, 84,312.96 and 35,947.08 is: 49,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,092.72 : 84,312.96 = 35,947.08 : x
  2. Step 2: Convert to fraction form
    61,092.72/84,312.96 = 35,947.08/x
  3. Step 3: Cross multiply
    61,092.72x = 84,312.96 × 35,947.08
  4. Step 4: Simplify right side
    61,092.72x = 3,030,804,718.16
  5. Step 5: Solve for x
    x = 3,030,804,718.16/61,092.72
  6. Step 6: Final answer
    x = 49,609.92

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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.