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Finding the Fourth Proportional to 7,703.68, 10,627.32 and 4,718.56

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Solution

The fourth proportional to 7,703.68, 10,627.32 and 4,718.56 is: 6,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.68 : 10,627.32 = 4,718.56 : x
  2. Step 2: Convert to fraction form
    7,703.68/10,627.32 = 4,718.56/x
  3. Step 3: Cross multiply
    7,703.68x = 10,627.32 × 4,718.56
  4. Step 4: Simplify right side
    7,703.68x = 50,145,647.06
  5. Step 5: Solve for x
    x = 50,145,647.06/7,703.68
  6. Step 6: Final answer
    x = 6,509.31

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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.