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Finding the Fourth Proportional to 64,124.52, 88,488.36 and 35,824.76

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Solution

The fourth proportional to 64,124.52, 88,488.36 and 35,824.76 is: 49,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,124.52 : 88,488.36 = 35,824.76 : x
  2. Step 2: Convert to fraction form
    64,124.52/88,488.36 = 35,824.76/x
  3. Step 3: Cross multiply
    64,124.52x = 88,488.36 × 35,824.76
  4. Step 4: Simplify right side
    64,124.52x = 3,170,074,259.79
  5. Step 5: Solve for x
    x = 3,170,074,259.79/64,124.52
  6. Step 6: Final answer
    x = 49,436.23

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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.