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Finding the Fourth Proportional to 58,657.66, 80,926.35 and 38,525.44

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Solution

The fourth proportional to 58,657.66, 80,926.35 and 38,525.44 is: 53,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.66 : 80,926.35 = 38,525.44 : x
  2. Step 2: Convert to fraction form
    58,657.66/80,926.35 = 38,525.44/x
  3. Step 3: Cross multiply
    58,657.66x = 80,926.35 × 38,525.44
  4. Step 4: Simplify right side
    58,657.66x = 3,117,723,241.34
  5. Step 5: Solve for x
    x = 3,117,723,241.34/58,657.66
  6. Step 6: Final answer
    x = 53,151.17

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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.