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Finding the Fourth Proportional to 75,307.52, 103,926.30 and 41,317.46

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Solution

The fourth proportional to 75,307.52, 103,926.30 and 41,317.46 is: 57,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,307.52 : 103,926.30 = 41,317.46 : x
  2. Step 2: Convert to fraction form
    75,307.52/103,926.30 = 41,317.46/x
  3. Step 3: Cross multiply
    75,307.52x = 103,926.30 × 41,317.46
  4. Step 4: Simplify right side
    75,307.52x = 4,293,970,743.20
  5. Step 5: Solve for x
    x = 4,293,970,743.20/75,307.52
  6. Step 6: Final answer
    x = 57,019.15

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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.