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Finding the Fourth Proportional to 63,065.80, 87,030.66 and 34,771.96

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Solution

The fourth proportional to 63,065.80, 87,030.66 and 34,771.96 is: 47,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.80 : 87,030.66 = 34,771.96 : x
  2. Step 2: Convert to fraction form
    63,065.80/87,030.66 = 34,771.96/x
  3. Step 3: Cross multiply
    63,065.80x = 87,030.66 × 34,771.96
  4. Step 4: Simplify right side
    63,065.80x = 3,026,226,628.29
  5. Step 5: Solve for x
    x = 3,026,226,628.29/63,065.80
  6. Step 6: Final answer
    x = 47,985.23

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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.