Home / 52,619.28-72,614.34-28,747.32

Finding the Fourth Proportional to 52,619.28, 72,614.34 and 28,747.32

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Solution

The fourth proportional to 52,619.28, 72,614.34 and 28,747.32 is: 39,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.28 : 72,614.34 = 28,747.32 : x
  2. Step 2: Convert to fraction form
    52,619.28/72,614.34 = 28,747.32/x
  3. Step 3: Cross multiply
    52,619.28x = 72,614.34 × 28,747.32
  4. Step 4: Simplify right side
    52,619.28x = 2,087,467,668.57
  5. Step 5: Solve for x
    x = 2,087,467,668.57/52,619.28
  6. Step 6: Final answer
    x = 39,671.16

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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.