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Finding the Fourth Proportional to 64,203.50, 88,599.12 and 35,909.48

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Solution

The fourth proportional to 64,203.50, 88,599.12 and 35,909.48 is: 49,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,203.50 : 88,599.12 = 35,909.48 : x
  2. Step 2: Convert to fraction form
    64,203.50/88,599.12 = 35,909.48/x
  3. Step 3: Cross multiply
    64,203.50x = 88,599.12 × 35,909.48
  4. Step 4: Simplify right side
    64,203.50x = 3,181,548,327.66
  5. Step 5: Solve for x
    x = 3,181,548,327.66/64,203.50
  6. Step 6: Final answer
    x = 49,554.13

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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.