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Finding the Fourth Proportional to 7,332.86, 10,999.13 and 1,786.22

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Solution

The fourth proportional to 7,332.86, 10,999.13 and 1,786.22 is: 2,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.86 : 10,999.13 = 1,786.22 : x
  2. Step 2: Convert to fraction form
    7,332.86/10,999.13 = 1,786.22/x
  3. Step 3: Cross multiply
    7,332.86x = 10,999.13 × 1,786.22
  4. Step 4: Simplify right side
    7,332.86x = 19,646,802.06
  5. Step 5: Solve for x
    x = 19,646,802.06/7,332.86
  6. Step 6: Final answer
    x = 2,679.28

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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.