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Finding the Fourth Proportional to 63,713.03, 87,929.30 and 35,421.35

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Solution

The fourth proportional to 63,713.03, 87,929.30 and 35,421.35 is: 48,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,713.03 : 87,929.30 = 35,421.35 : x
  2. Step 2: Convert to fraction form
    63,713.03/87,929.30 = 35,421.35/x
  3. Step 3: Cross multiply
    63,713.03x = 87,929.30 × 35,421.35
  4. Step 4: Simplify right side
    63,713.03x = 3,114,574,510.56
  5. Step 5: Solve for x
    x = 3,114,574,510.56/63,713.03
  6. Step 6: Final answer
    x = 48,884.42

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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.