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Finding the Fourth Proportional to 6,762.65, 9,329.22 and 4,243.50

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Solution

The fourth proportional to 6,762.65, 9,329.22 and 4,243.50 is: 5,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.65 : 9,329.22 = 4,243.50 : x
  2. Step 2: Convert to fraction form
    6,762.65/9,329.22 = 4,243.50/x
  3. Step 3: Cross multiply
    6,762.65x = 9,329.22 × 4,243.50
  4. Step 4: Simplify right side
    6,762.65x = 39,588,545.07
  5. Step 5: Solve for x
    x = 39,588,545.07/6,762.65
  6. Step 6: Final answer
    x = 5,854.00

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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.