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Finding the Fourth Proportional to 6,364.88, 9,545.70 and 4,283.72

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Solution

The fourth proportional to 6,364.88, 9,545.70 and 4,283.72 is: 6,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.88 : 9,545.70 = 4,283.72 : x
  2. Step 2: Convert to fraction form
    6,364.88/9,545.70 = 4,283.72/x
  3. Step 3: Cross multiply
    6,364.88x = 9,545.70 × 4,283.72
  4. Step 4: Simplify right side
    6,364.88x = 40,891,106.00
  5. Step 5: Solve for x
    x = 40,891,106.00/6,364.88
  6. Step 6: Final answer
    x = 6,424.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.