Home / 52,521.19-72,480.23-28,648.71

Finding the Fourth Proportional to 52,521.19, 72,480.23 and 28,648.71

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Solution

The fourth proportional to 52,521.19, 72,480.23 and 28,648.71 is: 39,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,521.19 : 72,480.23 = 28,648.71 : x
  2. Step 2: Convert to fraction form
    52,521.19/72,480.23 = 28,648.71/x
  3. Step 3: Cross multiply
    52,521.19x = 72,480.23 × 28,648.71
  4. Step 4: Simplify right side
    52,521.19x = 2,076,465,218.56
  5. Step 5: Solve for x
    x = 2,076,465,218.56/52,521.19
  6. Step 6: Final answer
    x = 39,535.76

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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.