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Finding the Fourth Proportional to 39,560.80, 59,254.80 and 30,726.40

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Solution

The fourth proportional to 39,560.80, 59,254.80 and 30,726.40 is: 46,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.80 : 59,254.80 = 30,726.40 : x
  2. Step 2: Convert to fraction form
    39,560.80/59,254.80 = 30,726.40/x
  3. Step 3: Cross multiply
    39,560.80x = 59,254.80 × 30,726.40
  4. Step 4: Simplify right side
    39,560.80x = 1,820,686,686.72
  5. Step 5: Solve for x
    x = 1,820,686,686.72/39,560.80
  6. Step 6: Final answer
    x = 46,022.49

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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.