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Finding the Fourth Proportional to 64,218.62, 88,639.52 and 37,366.34

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Solution

The fourth proportional to 64,218.62, 88,639.52 and 37,366.34 is: 51,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,218.62 : 88,639.52 = 37,366.34 : x
  2. Step 2: Convert to fraction form
    64,218.62/88,639.52 = 37,366.34/x
  3. Step 3: Cross multiply
    64,218.62x = 88,639.52 × 37,366.34
  4. Step 4: Simplify right side
    64,218.62x = 3,312,133,811.73
  5. Step 5: Solve for x
    x = 3,312,133,811.73/64,218.62
  6. Step 6: Final answer
    x = 51,575.91

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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.