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Finding the Fourth Proportional to 8,592.98, 12,886.50 and 4,435.16

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Solution

The fourth proportional to 8,592.98, 12,886.50 and 4,435.16 is: 6,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.98 : 12,886.50 = 4,435.16 : x
  2. Step 2: Convert to fraction form
    8,592.98/12,886.50 = 4,435.16/x
  3. Step 3: Cross multiply
    8,592.98x = 12,886.50 × 4,435.16
  4. Step 4: Simplify right side
    8,592.98x = 57,153,689.34
  5. Step 5: Solve for x
    x = 57,153,689.34/8,592.98
  6. Step 6: Final answer
    x = 6,651.21

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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.