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Finding the Fourth Proportional to 65,925.54, 90,977.28 and 35,710.92

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Solution

The fourth proportional to 65,925.54, 90,977.28 and 35,710.92 is: 49,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,925.54 : 90,977.28 = 35,710.92 : x
  2. Step 2: Convert to fraction form
    65,925.54/90,977.28 = 35,710.92/x
  3. Step 3: Cross multiply
    65,925.54x = 90,977.28 × 35,710.92
  4. Step 4: Simplify right side
    65,925.54x = 3,248,882,367.90
  5. Step 5: Solve for x
    x = 3,248,882,367.90/65,925.54
  6. Step 6: Final answer
    x = 49,281.09

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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.