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Finding the Fourth Proportional to 61,359.48, 84,675.66 and 34,863.48

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Solution

The fourth proportional to 61,359.48, 84,675.66 and 34,863.48 is: 48,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.48 : 84,675.66 = 34,863.48 : x
  2. Step 2: Convert to fraction form
    61,359.48/84,675.66 = 34,863.48/x
  3. Step 3: Cross multiply
    61,359.48x = 84,675.66 × 34,863.48
  4. Step 4: Simplify right side
    61,359.48x = 2,952,088,178.90
  5. Step 5: Solve for x
    x = 2,952,088,178.90/61,359.48
  6. Step 6: Final answer
    x = 48,111.36

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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.