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Finding the Fourth Proportional to 48,651.40, 67,139.02 and 26,295.40

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Solution

The fourth proportional to 48,651.40, 67,139.02 and 26,295.40 is: 36,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,651.40 : 67,139.02 = 26,295.40 : x
  2. Step 2: Convert to fraction form
    48,651.40/67,139.02 = 26,295.40/x
  3. Step 3: Cross multiply
    48,651.40x = 67,139.02 × 26,295.40
  4. Step 4: Simplify right side
    48,651.40x = 1,765,447,386.51
  5. Step 5: Solve for x
    x = 1,765,447,386.51/48,651.40
  6. Step 6: Final answer
    x = 36,287.70

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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.