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Finding the Fourth Proportional to 70,524.58, 105,788.40 and 25,549.95

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Solution

The fourth proportional to 70,524.58, 105,788.40 and 25,549.95 is: 38,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524.58 : 105,788.40 = 25,549.95 : x
  2. Step 2: Convert to fraction form
    70,524.58/105,788.40 = 25,549.95/x
  3. Step 3: Cross multiply
    70,524.58x = 105,788.40 × 25,549.95
  4. Step 4: Simplify right side
    70,524.58x = 2,702,887,801.64
  5. Step 5: Solve for x
    x = 2,702,887,801.64/70,524.58
  6. Step 6: Final answer
    x = 38,325.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.