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Finding the Fourth Proportional to 63,503.12, 87,628.56 and 35,208.74

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Solution

The fourth proportional to 63,503.12, 87,628.56 and 35,208.74 is: 48,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,503.12 : 87,628.56 = 35,208.74 : x
  2. Step 2: Convert to fraction form
    63,503.12/87,628.56 = 35,208.74/x
  3. Step 3: Cross multiply
    63,503.12x = 87,628.56 × 35,208.74
  4. Step 4: Simplify right side
    63,503.12x = 3,085,291,185.61
  5. Step 5: Solve for x
    x = 3,085,291,185.61/63,503.12
  6. Step 6: Final answer
    x = 48,584.88

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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.