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Finding the Fourth Proportional to 7,952.04, 10,951.64 and 7,779.84

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Solution

The fourth proportional to 7,952.04, 10,951.64 and 7,779.84 is: 10,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.04 : 10,951.64 = 7,779.84 : x
  2. Step 2: Convert to fraction form
    7,952.04/10,951.64 = 7,779.84/x
  3. Step 3: Cross multiply
    7,952.04x = 10,951.64 × 7,779.84
  4. Step 4: Simplify right side
    7,952.04x = 85,202,006.94
  5. Step 5: Solve for x
    x = 85,202,006.94/7,952.04
  6. Step 6: Final answer
    x = 10,714.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.