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Finding the Fourth Proportional to 18,078.34, 24,948.22 and 10,529.06

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Solution

The fourth proportional to 18,078.34, 24,948.22 and 10,529.06 is: 14,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.34 : 24,948.22 = 10,529.06 : x
  2. Step 2: Convert to fraction form
    18,078.34/24,948.22 = 10,529.06/x
  3. Step 3: Cross multiply
    18,078.34x = 24,948.22 × 10,529.06
  4. Step 4: Simplify right side
    18,078.34x = 262,681,305.27
  5. Step 5: Solve for x
    x = 262,681,305.27/18,078.34
  6. Step 6: Final answer
    x = 14,530.17

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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.