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Finding the Fourth Proportional to 58,696.64, 88,046.40 and 19,246.40

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Solution

The fourth proportional to 58,696.64, 88,046.40 and 19,246.40 is: 28,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,696.64 : 88,046.40 = 19,246.40 : x
  2. Step 2: Convert to fraction form
    58,696.64/88,046.40 = 19,246.40/x
  3. Step 3: Cross multiply
    58,696.64x = 88,046.40 × 19,246.40
  4. Step 4: Simplify right side
    58,696.64x = 1,694,576,232.96
  5. Step 5: Solve for x
    x = 1,694,576,232.96/58,696.64
  6. Step 6: Final answer
    x = 28,870.07

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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.