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Finding the Fourth Proportional to 64,291.05, 88,719.10 and 35,996.13

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Solution

The fourth proportional to 64,291.05, 88,719.10 and 35,996.13 is: 49,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.05 : 88,719.10 = 35,996.13 : x
  2. Step 2: Convert to fraction form
    64,291.05/88,719.10 = 35,996.13/x
  3. Step 3: Cross multiply
    64,291.05x = 88,719.10 × 35,996.13
  4. Step 4: Simplify right side
    64,291.05x = 3,193,544,167.09
  5. Step 5: Solve for x
    x = 3,193,544,167.09/64,291.05
  6. Step 6: Final answer
    x = 49,673.23

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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.