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Finding the Fourth Proportional to 48,854.40, 68,534.40 and 48,854.40

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Solution

The fourth proportional to 48,854.40, 68,534.40 and 48,854.40 is: 68,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,854.40 : 68,534.40 = 48,854.40 : x
  2. Step 2: Convert to fraction form
    48,854.40/68,534.40 = 48,854.40/x
  3. Step 3: Cross multiply
    48,854.40x = 68,534.40 × 48,854.40
  4. Step 4: Simplify right side
    48,854.40x = 3,348,206,991.36
  5. Step 5: Solve for x
    x = 3,348,206,991.36/48,854.40
  6. Step 6: Final answer
    x = 68,534.40

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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.