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Finding the Fourth Proportional to 38,291.16, 52,841.52 and 21,524.16

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Solution

The fourth proportional to 38,291.16, 52,841.52 and 21,524.16 is: 29,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.16 : 52,841.52 = 21,524.16 : x
  2. Step 2: Convert to fraction form
    38,291.16/52,841.52 = 21,524.16/x
  3. Step 3: Cross multiply
    38,291.16x = 52,841.52 × 21,524.16
  4. Step 4: Simplify right side
    38,291.16x = 1,137,369,331.12
  5. Step 5: Solve for x
    x = 1,137,369,331.12/38,291.16
  6. Step 6: Final answer
    x = 29,703.18

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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.