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Finding the Fourth Proportional to 34,713.55, 47,904.72 and 18,798.02

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Solution

The fourth proportional to 34,713.55, 47,904.72 and 18,798.02 is: 25,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,713.55 : 47,904.72 = 18,798.02 : x
  2. Step 2: Convert to fraction form
    34,713.55/47,904.72 = 18,798.02/x
  3. Step 3: Cross multiply
    34,713.55x = 47,904.72 × 18,798.02
  4. Step 4: Simplify right side
    34,713.55x = 900,513,645.13
  5. Step 5: Solve for x
    x = 900,513,645.13/34,713.55
  6. Step 6: Final answer
    x = 25,941.28

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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.