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Finding the Fourth Proportional to 12,155.07, 16,773.99 and 6,566.07

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Solution

The fourth proportional to 12,155.07, 16,773.99 and 6,566.07 is: 9,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155.07 : 16,773.99 = 6,566.07 : x
  2. Step 2: Convert to fraction form
    12,155.07/16,773.99 = 6,566.07/x
  3. Step 3: Cross multiply
    12,155.07x = 16,773.99 × 6,566.07
  4. Step 4: Simplify right side
    12,155.07x = 110,139,192.52
  5. Step 5: Solve for x
    x = 110,139,192.52/12,155.07
  6. Step 6: Final answer
    x = 9,061.17

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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.