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Finding the Fourth Proportional to 63,570.96, 87,728.27 and 35,276.65

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Solution

The fourth proportional to 63,570.96, 87,728.27 and 35,276.65 is: 48,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,570.96 : 87,728.27 = 35,276.65 : x
  2. Step 2: Convert to fraction form
    63,570.96/87,728.27 = 35,276.65/x
  3. Step 3: Cross multiply
    63,570.96x = 87,728.27 × 35,276.65
  4. Step 4: Simplify right side
    63,570.96x = 3,094,759,080.19
  5. Step 5: Solve for x
    x = 3,094,759,080.19/63,570.96
  6. Step 6: Final answer
    x = 48,681.96

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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.