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Finding the Fourth Proportional to 7,703.16, 10,623.80 and 5,015.04

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Solution

The fourth proportional to 7,703.16, 10,623.80 and 5,015.04 is: 6,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.16 : 10,623.80 = 5,015.04 : x
  2. Step 2: Convert to fraction form
    7,703.16/10,623.80 = 5,015.04/x
  3. Step 3: Cross multiply
    7,703.16x = 10,623.80 × 5,015.04
  4. Step 4: Simplify right side
    7,703.16x = 53,278,781.95
  5. Step 5: Solve for x
    x = 53,278,781.95/7,703.16
  6. Step 6: Final answer
    x = 6,916.48

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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.