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Finding the Fourth Proportional to 64,258.74, 88,676.14 and 35,575.65

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Solution

The fourth proportional to 64,258.74, 88,676.14 and 35,575.65 is: 49,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,258.74 : 88,676.14 = 35,575.65 : x
  2. Step 2: Convert to fraction form
    64,258.74/88,676.14 = 35,575.65/x
  3. Step 3: Cross multiply
    64,258.74x = 88,676.14 × 35,575.65
  4. Step 4: Simplify right side
    64,258.74x = 3,154,711,319.99
  5. Step 5: Solve for x
    x = 3,154,711,319.99/64,258.74
  6. Step 6: Final answer
    x = 49,093.89

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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.