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Finding the Fourth Proportional to 63,057.69, 87,018.30 and 34,763.45

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Solution

The fourth proportional to 63,057.69, 87,018.30 and 34,763.45 is: 47,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,057.69 : 87,018.30 = 34,763.45 : x
  2. Step 2: Convert to fraction form
    63,057.69/87,018.30 = 34,763.45/x
  3. Step 3: Cross multiply
    63,057.69x = 87,018.30 × 34,763.45
  4. Step 4: Simplify right side
    63,057.69x = 3,025,055,886.04
  5. Step 5: Solve for x
    x = 3,025,055,886.04/63,057.69
  6. Step 6: Final answer
    x = 47,972.83

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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.