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Finding the Fourth Proportional to 48,722.90, 67,237.81 and 26,366.90

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Solution

The fourth proportional to 48,722.90, 67,237.81 and 26,366.90 is: 36,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.90 : 67,237.81 = 26,366.90 : x
  2. Step 2: Convert to fraction form
    48,722.90/67,237.81 = 26,366.90/x
  3. Step 3: Cross multiply
    48,722.90x = 67,237.81 × 26,366.90
  4. Step 4: Simplify right side
    48,722.90x = 1,772,852,612.49
  5. Step 5: Solve for x
    x = 1,772,852,612.49/48,722.90
  6. Step 6: Final answer
    x = 36,386.43

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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.