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Finding the Fourth Proportional to 58,659.16, 80,928.42 and 38,526.95

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Solution

The fourth proportional to 58,659.16, 80,928.42 and 38,526.95 is: 53,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,659.16 : 80,928.42 = 38,526.95 : x
  2. Step 2: Convert to fraction form
    58,659.16/80,928.42 = 38,526.95/x
  3. Step 3: Cross multiply
    58,659.16x = 80,928.42 × 38,526.95
  4. Step 4: Simplify right side
    58,659.16x = 3,117,924,786.28
  5. Step 5: Solve for x
    x = 3,117,924,786.28/58,659.16
  6. Step 6: Final answer
    x = 53,153.25

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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.