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Finding the Fourth Proportional to 19,460.72, 29,191.11 and 6,314.12

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Solution

The fourth proportional to 19,460.72, 29,191.11 and 6,314.12 is: 9,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.72 : 29,191.11 = 6,314.12 : x
  2. Step 2: Convert to fraction form
    19,460.72/29,191.11 = 6,314.12/x
  3. Step 3: Cross multiply
    19,460.72x = 29,191.11 × 6,314.12
  4. Step 4: Simplify right side
    19,460.72x = 184,316,111.31
  5. Step 5: Solve for x
    x = 184,316,111.31/19,460.72
  6. Step 6: Final answer
    x = 9,471.19

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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.