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Finding the Fourth Proportional to 64,213.12, 88,612.14 and 35,918.92

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Solution

The fourth proportional to 64,213.12, 88,612.14 and 35,918.92 is: 49,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.12 : 88,612.14 = 35,918.92 : x
  2. Step 2: Convert to fraction form
    64,213.12/88,612.14 = 35,918.92/x
  3. Step 3: Cross multiply
    64,213.12x = 88,612.14 × 35,918.92
  4. Step 4: Simplify right side
    64,213.12x = 3,182,852,367.69
  5. Step 5: Solve for x
    x = 3,182,852,367.69/64,213.12
  6. Step 6: Final answer
    x = 49,567.01

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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.