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Finding the Fourth Proportional to 70,582.66, 97,398.26 and 38,750.46

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Solution

The fourth proportional to 70,582.66, 97,398.26 and 38,750.46 is: 53,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,582.66 : 97,398.26 = 38,750.46 : x
  2. Step 2: Convert to fraction form
    70,582.66/97,398.26 = 38,750.46/x
  3. Step 3: Cross multiply
    70,582.66x = 97,398.26 × 38,750.46
  4. Step 4: Simplify right side
    70,582.66x = 3,774,227,378.20
  5. Step 5: Solve for x
    x = 3,774,227,378.20/70,582.66
  6. Step 6: Final answer
    x = 53,472.44

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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.