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Finding the Fourth Proportional to 64,375.40, 88,844.10 and 37,515.80

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Solution

The fourth proportional to 64,375.40, 88,844.10 and 37,515.80 is: 51,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,375.40 : 88,844.10 = 37,515.80 : x
  2. Step 2: Convert to fraction form
    64,375.40/88,844.10 = 37,515.80/x
  3. Step 3: Cross multiply
    64,375.40x = 88,844.10 × 37,515.80
  4. Step 4: Simplify right side
    64,375.40x = 3,333,057,486.78
  5. Step 5: Solve for x
    x = 3,333,057,486.78/64,375.40
  6. Step 6: Final answer
    x = 51,775.33

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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.