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Finding the Fourth Proportional to 37,020.80, 55,444.80 and 36,278.40

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Solution

The fourth proportional to 37,020.80, 55,444.80 and 36,278.40 is: 54,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,020.80 : 55,444.80 = 36,278.40 : x
  2. Step 2: Convert to fraction form
    37,020.80/55,444.80 = 36,278.40/x
  3. Step 3: Cross multiply
    37,020.80x = 55,444.80 × 36,278.40
  4. Step 4: Simplify right side
    37,020.80x = 2,011,448,632.32
  5. Step 5: Solve for x
    x = 2,011,448,632.32/37,020.80
  6. Step 6: Final answer
    x = 54,332.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.