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Finding the Fourth Proportional to 64,213.80, 88,612.76 and 35,532.97

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Solution

The fourth proportional to 64,213.80, 88,612.76 and 35,532.97 is: 49,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.80 : 88,612.76 = 35,532.97 : x
  2. Step 2: Convert to fraction form
    64,213.80/88,612.76 = 35,532.97/x
  3. Step 3: Cross multiply
    64,213.80x = 88,612.76 × 35,532.97
  4. Step 4: Simplify right side
    64,213.80x = 3,148,674,210.12
  5. Step 5: Solve for x
    x = 3,148,674,210.12/64,213.80
  6. Step 6: Final answer
    x = 49,034.23

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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.