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Finding the Fourth Proportional to 64,371.34, 88,831.11 and 35,299.30

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Solution

The fourth proportional to 64,371.34, 88,831.11 and 35,299.30 is: 48,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,371.34 : 88,831.11 = 35,299.30 : x
  2. Step 2: Convert to fraction form
    64,371.34/88,831.11 = 35,299.30/x
  3. Step 3: Cross multiply
    64,371.34x = 88,831.11 × 35,299.30
  4. Step 4: Simplify right side
    64,371.34x = 3,135,676,001.22
  5. Step 5: Solve for x
    x = 3,135,676,001.22/64,371.34
  6. Step 6: Final answer
    x = 48,712.30

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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.