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Finding the Fourth Proportional to 63,968.75, 88,276.63 and 35,290.20

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Solution

The fourth proportional to 63,968.75, 88,276.63 and 35,290.20 is: 48,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,968.75 : 88,276.63 = 35,290.20 : x
  2. Step 2: Convert to fraction form
    63,968.75/88,276.63 = 35,290.20/x
  3. Step 3: Cross multiply
    63,968.75x = 88,276.63 × 35,290.20
  4. Step 4: Simplify right side
    63,968.75x = 3,115,299,598.14
  5. Step 5: Solve for x
    x = 3,115,299,598.14/63,968.75
  6. Step 6: Final answer
    x = 48,700.33

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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.