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Finding the Fourth Proportional to 6,557.93, 9,045.30 and 6,340.97

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Solution

The fourth proportional to 6,557.93, 9,045.30 and 6,340.97 is: 8,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.93 : 9,045.30 = 6,340.97 : x
  2. Step 2: Convert to fraction form
    6,557.93/9,045.30 = 6,340.97/x
  3. Step 3: Cross multiply
    6,557.93x = 9,045.30 × 6,340.97
  4. Step 4: Simplify right side
    6,557.93x = 57,355,975.94
  5. Step 5: Solve for x
    x = 57,355,975.94/6,557.93
  6. Step 6: Final answer
    x = 8,746.05

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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.