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Finding the Fourth Proportional to 84,689.46, 127,034.18 and 22,360.50

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Solution

The fourth proportional to 84,689.46, 127,034.18 and 22,360.50 is: 33,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,689.46 : 127,034.18 = 22,360.50 : x
  2. Step 2: Convert to fraction form
    84,689.46/127,034.18 = 22,360.50/x
  3. Step 3: Cross multiply
    84,689.46x = 127,034.18 × 22,360.50
  4. Step 4: Simplify right side
    84,689.46x = 2,840,547,781.89
  5. Step 5: Solve for x
    x = 2,840,547,781.89/84,689.46
  6. Step 6: Final answer
    x = 33,540.75

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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.