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Finding the Fourth Proportional to 2,702.09, 4,053.47 and 852.93

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Solution

The fourth proportional to 2,702.09, 4,053.47 and 852.93 is: 1,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.09 : 4,053.47 = 852.93 : x
  2. Step 2: Convert to fraction form
    2,702.09/4,053.47 = 852.93/x
  3. Step 3: Cross multiply
    2,702.09x = 4,053.47 × 852.93
  4. Step 4: Simplify right side
    2,702.09x = 3,457,321.90
  5. Step 5: Solve for x
    x = 3,457,321.90/2,702.09
  6. Step 6: Final answer
    x = 1,279.50

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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.