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Finding the Fourth Proportional to 63,856.48, 88,117.76 and 36,996.80

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Solution

The fourth proportional to 63,856.48, 88,117.76 and 36,996.80 is: 51,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,856.48 : 88,117.76 = 36,996.80 : x
  2. Step 2: Convert to fraction form
    63,856.48/88,117.76 = 36,996.80/x
  3. Step 3: Cross multiply
    63,856.48x = 88,117.76 × 36,996.80
  4. Step 4: Simplify right side
    63,856.48x = 3,260,075,143.17
  5. Step 5: Solve for x
    x = 3,260,075,143.17/63,856.48
  6. Step 6: Final answer
    x = 51,053.16

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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.