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Finding the Fourth Proportional to 51,925.04, 71,658.03 and 28,955.39

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Solution

The fourth proportional to 51,925.04, 71,658.03 and 28,955.39 is: 39,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,925.04 : 71,658.03 = 28,955.39 : x
  2. Step 2: Convert to fraction form
    51,925.04/71,658.03 = 28,955.39/x
  3. Step 3: Cross multiply
    51,925.04x = 71,658.03 × 28,955.39
  4. Step 4: Simplify right side
    51,925.04x = 2,074,886,205.28
  5. Step 5: Solve for x
    x = 2,074,886,205.28/51,925.04
  6. Step 6: Final answer
    x = 39,959.26

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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.