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Finding the Fourth Proportional to 34,932.77, 48,205.71 and 19,017.20

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Solution

The fourth proportional to 34,932.77, 48,205.71 and 19,017.20 is: 26,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,932.77 : 48,205.71 = 19,017.20 : x
  2. Step 2: Convert to fraction form
    34,932.77/48,205.71 = 19,017.20/x
  3. Step 3: Cross multiply
    34,932.77x = 48,205.71 × 19,017.20
  4. Step 4: Simplify right side
    34,932.77x = 916,737,387.18
  5. Step 5: Solve for x
    x = 916,737,387.18/34,932.77
  6. Step 6: Final answer
    x = 26,242.91

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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.