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Finding the Fourth Proportional to 38,058.68, 52,522.44 and 21,291.68

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Solution

The fourth proportional to 38,058.68, 52,522.44 and 21,291.68 is: 29,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,058.68 : 52,522.44 = 21,291.68 : x
  2. Step 2: Convert to fraction form
    38,058.68/52,522.44 = 21,291.68/x
  3. Step 3: Cross multiply
    38,058.68x = 52,522.44 × 21,291.68
  4. Step 4: Simplify right side
    38,058.68x = 1,118,290,985.30
  5. Step 5: Solve for x
    x = 1,118,290,985.30/38,058.68
  6. Step 6: Final answer
    x = 29,383.34

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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.