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Finding the Fourth Proportional to 63,570.66, 87,726.69 and 35,275.74

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Solution

The fourth proportional to 63,570.66, 87,726.69 and 35,275.74 is: 48,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,570.66 : 87,726.69 = 35,275.74 : x
  2. Step 2: Convert to fraction form
    63,570.66/87,726.69 = 35,275.74/x
  3. Step 3: Cross multiply
    63,570.66x = 87,726.69 × 35,275.74
  4. Step 4: Simplify right side
    63,570.66x = 3,094,623,907.50
  5. Step 5: Solve for x
    x = 3,094,623,907.50/63,570.66
  6. Step 6: Final answer
    x = 48,680.07

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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.