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Finding the Fourth Proportional to 9,787.94, 14,684.32 and 2,862.44

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Solution

The fourth proportional to 9,787.94, 14,684.32 and 2,862.44 is: 4,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.94 : 14,684.32 = 2,862.44 : x
  2. Step 2: Convert to fraction form
    9,787.94/14,684.32 = 2,862.44/x
  3. Step 3: Cross multiply
    9,787.94x = 14,684.32 × 2,862.44
  4. Step 4: Simplify right side
    9,787.94x = 42,032,970.16
  5. Step 5: Solve for x
    x = 42,032,970.16/9,787.94
  6. Step 6: Final answer
    x = 4,294.36

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1.5x scale

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.