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Finding the Fourth Proportional to 63,330.80, 87,396.59 and 34,653.16

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Solution

The fourth proportional to 63,330.80, 87,396.59 and 34,653.16 is: 47,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,330.80 : 87,396.59 = 34,653.16 : x
  2. Step 2: Convert to fraction form
    63,330.80/87,396.59 = 34,653.16/x
  3. Step 3: Cross multiply
    63,330.80x = 87,396.59 × 34,653.16
  4. Step 4: Simplify right side
    63,330.80x = 3,028,567,884.87
  5. Step 5: Solve for x
    x = 3,028,567,884.87/63,330.80
  6. Step 6: Final answer
    x = 47,821.40

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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.