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Finding the Fourth Proportional to 9,092.66, 12,545.27 and 5,457.22

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Solution

The fourth proportional to 9,092.66, 12,545.27 and 5,457.22 is: 7,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,092.66 : 12,545.27 = 5,457.22 : x
  2. Step 2: Convert to fraction form
    9,092.66/12,545.27 = 5,457.22/x
  3. Step 3: Cross multiply
    9,092.66x = 12,545.27 × 5,457.22
  4. Step 4: Simplify right side
    9,092.66x = 68,462,298.35
  5. Step 5: Solve for x
    x = 68,462,298.35/9,092.66
  6. Step 6: Final answer
    x = 7,529.41

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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.