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Finding the Fourth Proportional to 63,364.73, 87,458.90 and 37,886.18

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Solution

The fourth proportional to 63,364.73, 87,458.90 and 37,886.18 is: 52,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,364.73 : 87,458.90 = 37,886.18 : x
  2. Step 2: Convert to fraction form
    63,364.73/87,458.90 = 37,886.18/x
  3. Step 3: Cross multiply
    63,364.73x = 87,458.90 × 37,886.18
  4. Step 4: Simplify right side
    63,364.73x = 3,313,483,001.28
  5. Step 5: Solve for x
    x = 3,313,483,001.28/63,364.73
  6. Step 6: Final answer
    x = 52,292.23

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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.