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Finding the Fourth Proportional to 21,502.20, 32,254.82 and 5,707.10

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Solution

The fourth proportional to 21,502.20, 32,254.82 and 5,707.10 is: 8,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.20 : 32,254.82 = 5,707.10 : x
  2. Step 2: Convert to fraction form
    21,502.20/32,254.82 = 5,707.10/x
  3. Step 3: Cross multiply
    21,502.20x = 32,254.82 × 5,707.10
  4. Step 4: Simplify right side
    21,502.20x = 184,081,578.13
  5. Step 5: Solve for x
    x = 184,081,578.13/21,502.20
  6. Step 6: Final answer
    x = 8,561.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.