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Finding the Fourth Proportional to 58,398.56, 80,616.84 and 38,256.32

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Solution

The fourth proportional to 58,398.56, 80,616.84 and 38,256.32 is: 52,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,398.56 : 80,616.84 = 38,256.32 : x
  2. Step 2: Convert to fraction form
    58,398.56/80,616.84 = 38,256.32/x
  3. Step 3: Cross multiply
    58,398.56x = 80,616.84 × 38,256.32
  4. Step 4: Simplify right side
    58,398.56x = 3,084,103,628.43
  5. Step 5: Solve for x
    x = 3,084,103,628.43/58,398.56
  6. Step 6: Final answer
    x = 52,811.30

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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.