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Finding the Fourth Proportional to 7,772.52, 10,718.46 and 6,091.32

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Solution

The fourth proportional to 7,772.52, 10,718.46 and 6,091.32 is: 8,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.52 : 10,718.46 = 6,091.32 : x
  2. Step 2: Convert to fraction form
    7,772.52/10,718.46 = 6,091.32/x
  3. Step 3: Cross multiply
    7,772.52x = 10,718.46 × 6,091.32
  4. Step 4: Simplify right side
    7,772.52x = 65,289,569.77
  5. Step 5: Solve for x
    x = 65,289,569.77/7,772.52
  6. Step 6: Final answer
    x = 8,400.05

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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.