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Finding the Fourth Proportional to 1,579.98, 2,368.05 and 702.06

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Solution

The fourth proportional to 1,579.98, 2,368.05 and 702.06 is: 1,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.98 : 2,368.05 = 702.06 : x
  2. Step 2: Convert to fraction form
    1,579.98/2,368.05 = 702.06/x
  3. Step 3: Cross multiply
    1,579.98x = 2,368.05 × 702.06
  4. Step 4: Simplify right side
    1,579.98x = 1,662,513.18
  5. Step 5: Solve for x
    x = 1,662,513.18/1,579.98
  6. Step 6: Final answer
    x = 1,052.24

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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.