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Finding the Fourth Proportional to 63,641.63, 87,766.76 and 43,254.23

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Solution

The fourth proportional to 63,641.63, 87,766.76 and 43,254.23 is: 59,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.63 : 87,766.76 = 43,254.23 : x
  2. Step 2: Convert to fraction form
    63,641.63/87,766.76 = 43,254.23/x
  3. Step 3: Cross multiply
    63,641.63x = 87,766.76 × 43,254.23
  4. Step 4: Simplify right side
    63,641.63x = 3,796,283,623.39
  5. Step 5: Solve for x
    x = 3,796,283,623.39/63,641.63
  6. Step 6: Final answer
    x = 59,650.95

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Find fourth proportional to 63,642.63, 87,768.14 and 43,255.23
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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.