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Finding the Fourth Proportional to 64,630.70, 96,715.65 and 44,816.30

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Solution

The fourth proportional to 64,630.70, 96,715.65 and 44,816.30 is: 67,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.70 : 96,715.65 = 44,816.30 : x
  2. Step 2: Convert to fraction form
    64,630.70/96,715.65 = 44,816.30/x
  3. Step 3: Cross multiply
    64,630.70x = 96,715.65 × 44,816.30
  4. Step 4: Simplify right side
    64,630.70x = 4,334,437,585.10
  5. Step 5: Solve for x
    x = 4,334,437,585.10/64,630.70
  6. Step 6: Final answer
    x = 67,064.69

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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.