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Finding the Fourth Proportional to 6,557.77, 9,056.13 and 5,608.06

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Solution

The fourth proportional to 6,557.77, 9,056.13 and 5,608.06 is: 7,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.77 : 9,056.13 = 5,608.06 : x
  2. Step 2: Convert to fraction form
    6,557.77/9,056.13 = 5,608.06/x
  3. Step 3: Cross multiply
    6,557.77x = 9,056.13 × 5,608.06
  4. Step 4: Simplify right side
    6,557.77x = 50,787,320.41
  5. Step 5: Solve for x
    x = 50,787,320.41/6,557.77
  6. Step 6: Final answer
    x = 7,744.60

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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.