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Finding the Fourth Proportional to 52,591.32, 78,925.88 and 19,332

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Solution

The fourth proportional to 52,591.32, 78,925.88 and 19,332 is: 29,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,591.32 : 78,925.88 = 19,332 : x
  2. Step 2: Convert to fraction form
    52,591.32/78,925.88 = 19,332/x
  3. Step 3: Cross multiply
    52,591.32x = 78,925.88 × 19,332
  4. Step 4: Simplify right side
    52,591.32x = 1,525,795,112.16
  5. Step 5: Solve for x
    x = 1,525,795,112.16/52,591.32
  6. Step 6: Final answer
    x = 29,012.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.