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Finding the Fourth Proportional to 7,326.68, 10,991.64 and 4,038.08

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Solution

The fourth proportional to 7,326.68, 10,991.64 and 4,038.08 is: 6,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.68 : 10,991.64 = 4,038.08 : x
  2. Step 2: Convert to fraction form
    7,326.68/10,991.64 = 4,038.08/x
  3. Step 3: Cross multiply
    7,326.68x = 10,991.64 × 4,038.08
  4. Step 4: Simplify right side
    7,326.68x = 44,385,121.65
  5. Step 5: Solve for x
    x = 44,385,121.65/7,326.68
  6. Step 6: Final answer
    x = 6,058.01

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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.