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Finding the Fourth Proportional to 7,774.32, 10,737.54 and 5,659.32

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Solution

The fourth proportional to 7,774.32, 10,737.54 and 5,659.32 is: 7,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.32 : 10,737.54 = 5,659.32 : x
  2. Step 2: Convert to fraction form
    7,774.32/10,737.54 = 5,659.32/x
  3. Step 3: Cross multiply
    7,774.32x = 10,737.54 × 5,659.32
  4. Step 4: Simplify right side
    7,774.32x = 60,767,174.87
  5. Step 5: Solve for x
    x = 60,767,174.87/7,774.32
  6. Step 6: Final answer
    x = 7,816.40

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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.