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Finding the Fourth Proportional to 58,444.56, 80,680.32 and 38,302.56

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Solution

The fourth proportional to 58,444.56, 80,680.32 and 38,302.56 is: 52,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,444.56 : 80,680.32 = 38,302.56 : x
  2. Step 2: Convert to fraction form
    58,444.56/80,680.32 = 38,302.56/x
  3. Step 3: Cross multiply
    58,444.56x = 80,680.32 × 38,302.56
  4. Step 4: Simplify right side
    58,444.56x = 3,090,262,797.62
  5. Step 5: Solve for x
    x = 3,090,262,797.62/58,444.56
  6. Step 6: Final answer
    x = 52,875.11

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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.