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Finding the Fourth Proportional to 8,795.18, 12,136.28 and 7,007.22

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Solution

The fourth proportional to 8,795.18, 12,136.28 and 7,007.22 is: 9,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.18 : 12,136.28 = 7,007.22 : x
  2. Step 2: Convert to fraction form
    8,795.18/12,136.28 = 7,007.22/x
  3. Step 3: Cross multiply
    8,795.18x = 12,136.28 × 7,007.22
  4. Step 4: Simplify right side
    8,795.18x = 85,041,548.91
  5. Step 5: Solve for x
    x = 85,041,548.91/8,795.18
  6. Step 6: Final answer
    x = 9,669.11

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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.