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Finding the Fourth Proportional to 38,068.56, 52,534.56 and 21,301.56

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Solution

The fourth proportional to 38,068.56, 52,534.56 and 21,301.56 is: 29,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.56 : 52,534.56 = 21,301.56 : x
  2. Step 2: Convert to fraction form
    38,068.56/52,534.56 = 21,301.56/x
  3. Step 3: Cross multiply
    38,068.56x = 52,534.56 × 21,301.56
  4. Step 4: Simplify right side
    38,068.56x = 1,119,068,081.91
  5. Step 5: Solve for x
    x = 1,119,068,081.91/38,068.56
  6. Step 6: Final answer
    x = 29,396.12

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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.