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Finding the Fourth Proportional to 54,992.38, 82,340.95 and 28,641.77

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Solution

The fourth proportional to 54,992.38, 82,340.95 and 28,641.77 is: 42,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,992.38 : 82,340.95 = 28,641.77 : x
  2. Step 2: Convert to fraction form
    54,992.38/82,340.95 = 28,641.77/x
  3. Step 3: Cross multiply
    54,992.38x = 82,340.95 × 28,641.77
  4. Step 4: Simplify right side
    54,992.38x = 2,358,390,551.48
  5. Step 5: Solve for x
    x = 2,358,390,551.48/54,992.38
  6. Step 6: Final answer
    x = 42,885.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.