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Finding the Fourth Proportional to 64,144.80, 88,519.14 and 35,466.48

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Solution

The fourth proportional to 64,144.80, 88,519.14 and 35,466.48 is: 48,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,144.80 : 88,519.14 = 35,466.48 : x
  2. Step 2: Convert to fraction form
    64,144.80/88,519.14 = 35,466.48/x
  3. Step 3: Cross multiply
    64,144.80x = 88,519.14 × 35,466.48
  4. Step 4: Simplify right side
    64,144.80x = 3,139,462,308.43
  5. Step 5: Solve for x
    x = 3,139,462,308.43/64,144.80
  6. Step 6: Final answer
    x = 48,943.36

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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.