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Finding the Fourth Proportional to 52,802.66, 72,863.88 and 28,925.48

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Solution

The fourth proportional to 52,802.66, 72,863.88 and 28,925.48 is: 39,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802.66 : 72,863.88 = 28,925.48 : x
  2. Step 2: Convert to fraction form
    52,802.66/72,863.88 = 28,925.48/x
  3. Step 3: Cross multiply
    52,802.66x = 72,863.88 × 28,925.48
  4. Step 4: Simplify right side
    52,802.66x = 2,107,622,703.66
  5. Step 5: Solve for x
    x = 2,107,622,703.66/52,802.66
  6. Step 6: Final answer
    x = 39,915.09

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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.