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Finding the Fourth Proportional to 5,702.94, 8,553.19 and 4,385.88

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Solution

The fourth proportional to 5,702.94, 8,553.19 and 4,385.88 is: 6,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.94 : 8,553.19 = 4,385.88 : x
  2. Step 2: Convert to fraction form
    5,702.94/8,553.19 = 4,385.88/x
  3. Step 3: Cross multiply
    5,702.94x = 8,553.19 × 4,385.88
  4. Step 4: Simplify right side
    5,702.94x = 37,513,264.96
  5. Step 5: Solve for x
    x = 37,513,264.96/5,702.94
  6. Step 6: Final answer
    x = 6,577.88

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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.