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Finding the Fourth Proportional to 85,292.60, 127,938.78 and 22,963.16

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Solution

The fourth proportional to 85,292.60, 127,938.78 and 22,963.16 is: 34,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292.60 : 127,938.78 = 22,963.16 : x
  2. Step 2: Convert to fraction form
    85,292.60/127,938.78 = 22,963.16/x
  3. Step 3: Cross multiply
    85,292.60x = 127,938.78 × 22,963.16
  4. Step 4: Simplify right side
    85,292.60x = 2,937,878,675.34
  5. Step 5: Solve for x
    x = 2,937,878,675.34/85,292.60
  6. Step 6: Final answer
    x = 34,444.71

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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.