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Finding the Fourth Proportional to 48,246.90, 72,370.35 and 48,246.90

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Solution

The fourth proportional to 48,246.90, 72,370.35 and 48,246.90 is: 72,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,246.90 : 72,370.35 = 48,246.90 : x
  2. Step 2: Convert to fraction form
    48,246.90/72,370.35 = 48,246.90/x
  3. Step 3: Cross multiply
    48,246.90x = 72,370.35 × 48,246.90
  4. Step 4: Simplify right side
    48,246.90x = 3,491,645,039.42
  5. Step 5: Solve for x
    x = 3,491,645,039.42/48,246.90
  6. Step 6: Final answer
    x = 72,370.35

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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.