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Finding the Fourth Proportional to 64,595.74, 89,132.70 and 35,913.10

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Solution

The fourth proportional to 64,595.74, 89,132.70 and 35,913.10 is: 49,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,595.74 : 89,132.70 = 35,913.10 : x
  2. Step 2: Convert to fraction form
    64,595.74/89,132.70 = 35,913.10/x
  3. Step 3: Cross multiply
    64,595.74x = 89,132.70 × 35,913.10
  4. Step 4: Simplify right side
    64,595.74x = 3,201,031,568.37
  5. Step 5: Solve for x
    x = 3,201,031,568.37/64,595.74
  6. Step 6: Final answer
    x = 49,554.84

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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.