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Finding the Fourth Proportional to 22,058.76, 30,434.94 and 12,626.76

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Solution

The fourth proportional to 22,058.76, 30,434.94 and 12,626.76 is: 17,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,058.76 : 30,434.94 = 12,626.76 : x
  2. Step 2: Convert to fraction form
    22,058.76/30,434.94 = 12,626.76/x
  3. Step 3: Cross multiply
    22,058.76x = 30,434.94 × 12,626.76
  4. Step 4: Simplify right side
    22,058.76x = 384,294,682.99
  5. Step 5: Solve for x
    x = 384,294,682.99/22,058.76
  6. Step 6: Final answer
    x = 17,421.41

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Half scale
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Double scale
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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.