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Finding the Fourth Proportional to 64,291.61, 96,390.69 and 26,862.38

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Solution

The fourth proportional to 64,291.61, 96,390.69 and 26,862.38 is: 40,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.61 : 96,390.69 = 26,862.38 : x
  2. Step 2: Convert to fraction form
    64,291.61/96,390.69 = 26,862.38/x
  3. Step 3: Cross multiply
    64,291.61x = 96,390.69 × 26,862.38
  4. Step 4: Simplify right side
    64,291.61x = 2,589,283,584.22
  5. Step 5: Solve for x
    x = 2,589,283,584.22/64,291.61
  6. Step 6: Final answer
    x = 40,274.05

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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.