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Finding the Fourth Proportional to 70,296.70, 96,940.34 and 64,462.04

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Solution

The fourth proportional to 70,296.70, 96,940.34 and 64,462.04 is: 88,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,296.70 : 96,940.34 = 64,462.04 : x
  2. Step 2: Convert to fraction form
    70,296.70/96,940.34 = 64,462.04/x
  3. Step 3: Cross multiply
    70,296.70x = 96,940.34 × 64,462.04
  4. Step 4: Simplify right side
    70,296.70x = 6,248,972,074.69
  5. Step 5: Solve for x
    x = 6,248,972,074.69/70,296.70
  6. Step 6: Final answer
    x = 88,894.25

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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.