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Finding the Fourth Proportional to 64,684.68, 89,271.90 and 37,836.24

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Solution

The fourth proportional to 64,684.68, 89,271.90 and 37,836.24 is: 52,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,684.68 : 89,271.90 = 37,836.24 : x
  2. Step 2: Convert to fraction form
    64,684.68/89,271.90 = 37,836.24/x
  3. Step 3: Cross multiply
    64,684.68x = 89,271.90 × 37,836.24
  4. Step 4: Simplify right side
    64,684.68x = 3,377,713,033.66
  5. Step 5: Solve for x
    x = 3,377,713,033.66/64,684.68
  6. Step 6: Final answer
    x = 52,218.13

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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.