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Finding the Fourth Proportional to 12,595.24, 18,866.94 and 7,398.28

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Solution

The fourth proportional to 12,595.24, 18,866.94 and 7,398.28 is: 11,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.24 : 18,866.94 = 7,398.28 : x
  2. Step 2: Convert to fraction form
    12,595.24/18,866.94 = 7,398.28/x
  3. Step 3: Cross multiply
    12,595.24x = 18,866.94 × 7,398.28
  4. Step 4: Simplify right side
    12,595.24x = 139,582,904.86
  5. Step 5: Solve for x
    x = 139,582,904.86/12,595.24
  6. Step 6: Final answer
    x = 11,082.19

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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.