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Finding the Fourth Proportional to 61,061.88, 84,263.08 and 34,203.08

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Solution

The fourth proportional to 61,061.88, 84,263.08 and 34,203.08 is: 47,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,061.88 : 84,263.08 = 34,203.08 : x
  2. Step 2: Convert to fraction form
    61,061.88/84,263.08 = 34,203.08/x
  3. Step 3: Cross multiply
    61,061.88x = 84,263.08 × 34,203.08
  4. Step 4: Simplify right side
    61,061.88x = 2,882,056,866.29
  5. Step 5: Solve for x
    x = 2,882,056,866.29/61,061.88
  6. Step 6: Final answer
    x = 47,198.95

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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.