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Finding the Fourth Proportional to 83,358.72, 125,036.64 and 27,954.72

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Solution

The fourth proportional to 83,358.72, 125,036.64 and 27,954.72 is: 41,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.72 : 125,036.64 = 27,954.72 : x
  2. Step 2: Convert to fraction form
    83,358.72/125,036.64 = 27,954.72/x
  3. Step 3: Cross multiply
    83,358.72x = 125,036.64 × 27,954.72
  4. Step 4: Simplify right side
    83,358.72x = 3,495,364,260.94
  5. Step 5: Solve for x
    x = 3,495,364,260.94/83,358.72
  6. Step 6: Final answer
    x = 41,931.60

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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.