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Finding the Fourth Proportional to 48,877.40, 68,280.40 and 48,877.40

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Solution

The fourth proportional to 48,877.40, 68,280.40 and 48,877.40 is: 68,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,877.40 : 68,280.40 = 48,877.40 : x
  2. Step 2: Convert to fraction form
    48,877.40/68,280.40 = 48,877.40/x
  3. Step 3: Cross multiply
    48,877.40x = 68,280.40 × 48,877.40
  4. Step 4: Simplify right side
    48,877.40x = 3,337,368,422.96
  5. Step 5: Solve for x
    x = 3,337,368,422.96/48,877.40
  6. Step 6: Final answer
    x = 68,280.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.