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Finding the Fourth Proportional to 7,192.50, 9,923.22 and 4,359.12

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Solution

The fourth proportional to 7,192.50, 9,923.22 and 4,359.12 is: 6,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.50 : 9,923.22 = 4,359.12 : x
  2. Step 2: Convert to fraction form
    7,192.50/9,923.22 = 4,359.12/x
  3. Step 3: Cross multiply
    7,192.50x = 9,923.22 × 4,359.12
  4. Step 4: Simplify right side
    7,192.50x = 43,256,506.77
  5. Step 5: Solve for x
    x = 43,256,506.77/7,192.50
  6. Step 6: Final answer
    x = 6,014.11

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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.