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Finding the Fourth Proportional to 2,235.16, 3,352.88 and 591.72

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Solution

The fourth proportional to 2,235.16, 3,352.88 and 591.72 is: 887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.16 : 3,352.88 = 591.72 : x
  2. Step 2: Convert to fraction form
    2,235.16/3,352.88 = 591.72/x
  3. Step 3: Cross multiply
    2,235.16x = 3,352.88 × 591.72
  4. Step 4: Simplify right side
    2,235.16x = 1,983,966.15
  5. Step 5: Solve for x
    x = 1,983,966.15/2,235.16
  6. Step 6: Final answer
    x = 887.62

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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.