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Finding the Fourth Proportional to 8,903.65, 12,273.91 and 6,541.69

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Solution

The fourth proportional to 8,903.65, 12,273.91 and 6,541.69 is: 9,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.65 : 12,273.91 = 6,541.69 : x
  2. Step 2: Convert to fraction form
    8,903.65/12,273.91 = 6,541.69/x
  3. Step 3: Cross multiply
    8,903.65x = 12,273.91 × 6,541.69
  4. Step 4: Simplify right side
    8,903.65x = 80,292,114.31
  5. Step 5: Solve for x
    x = 80,292,114.31/8,903.65
  6. Step 6: Final answer
    x = 9,017.89

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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.