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Finding the Fourth Proportional to 38,337.10, 52,905.09 and 21,570.10

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Solution

The fourth proportional to 38,337.10, 52,905.09 and 21,570.10 is: 29,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,337.10 : 52,905.09 = 21,570.10 : x
  2. Step 2: Convert to fraction form
    38,337.10/52,905.09 = 21,570.10/x
  3. Step 3: Cross multiply
    38,337.10x = 52,905.09 × 21,570.10
  4. Step 4: Simplify right side
    38,337.10x = 1,141,168,081.81
  5. Step 5: Solve for x
    x = 1,141,168,081.81/38,337.10
  6. Step 6: Final answer
    x = 29,766.68

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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.