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Finding the Fourth Proportional to 66,496.80, 99,550.80 and 64,552.80

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Solution

The fourth proportional to 66,496.80, 99,550.80 and 64,552.80 is: 96,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496.80 : 99,550.80 = 64,552.80 : x
  2. Step 2: Convert to fraction form
    66,496.80/99,550.80 = 64,552.80/x
  3. Step 3: Cross multiply
    66,496.80x = 99,550.80 × 64,552.80
  4. Step 4: Simplify right side
    66,496.80x = 6,426,282,882.24
  5. Step 5: Solve for x
    x = 6,426,282,882.24/66,496.80
  6. Step 6: Final answer
    x = 96,640.48

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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.