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Finding the Fourth Proportional to 48,115.60, 66,401.64 and 26,894.80

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Solution

The fourth proportional to 48,115.60, 66,401.64 and 26,894.80 is: 37,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.60 : 66,401.64 = 26,894.80 : x
  2. Step 2: Convert to fraction form
    48,115.60/66,401.64 = 26,894.80/x
  3. Step 3: Cross multiply
    48,115.60x = 66,401.64 × 26,894.80
  4. Step 4: Simplify right side
    48,115.60x = 1,785,858,827.47
  5. Step 5: Solve for x
    x = 1,785,858,827.47/48,115.60
  6. Step 6: Final answer
    x = 37,116.00

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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.