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Finding the Fourth Proportional to 64,390.30, 96,193.74 and 41,716.40

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Solution

The fourth proportional to 64,390.30, 96,193.74 and 41,716.40 is: 62,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,390.30 : 96,193.74 = 41,716.40 : x
  2. Step 2: Convert to fraction form
    64,390.30/96,193.74 = 41,716.40/x
  3. Step 3: Cross multiply
    64,390.30x = 96,193.74 × 41,716.40
  4. Step 4: Simplify right side
    64,390.30x = 4,012,856,535.34
  5. Step 5: Solve for x
    x = 4,012,856,535.34/64,390.30
  6. Step 6: Final answer
    x = 62,320.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.