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Finding the Fourth Proportional to 64,383.70, 96,575.55 and 48,831.70

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Solution

The fourth proportional to 64,383.70, 96,575.55 and 48,831.70 is: 73,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.70 : 96,575.55 = 48,831.70 : x
  2. Step 2: Convert to fraction form
    64,383.70/96,575.55 = 48,831.70/x
  3. Step 3: Cross multiply
    64,383.70x = 96,575.55 × 48,831.70
  4. Step 4: Simplify right side
    64,383.70x = 4,715,948,284.94
  5. Step 5: Solve for x
    x = 4,715,948,284.94/64,383.70
  6. Step 6: Final answer
    x = 73,247.55

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1.5x scale

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.