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Finding the Fourth Proportional to 63,507.96, 87,641.88 and 34,830.12

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Solution

The fourth proportional to 63,507.96, 87,641.88 and 34,830.12 is: 48,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,507.96 : 87,641.88 = 34,830.12 : x
  2. Step 2: Convert to fraction form
    63,507.96/87,641.88 = 34,830.12/x
  3. Step 3: Cross multiply
    63,507.96x = 87,641.88 × 34,830.12
  4. Step 4: Simplify right side
    63,507.96x = 3,052,577,197.43
  5. Step 5: Solve for x
    x = 3,052,577,197.43/63,507.96
  6. Step 6: Final answer
    x = 48,066.06

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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.