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Finding the Fourth Proportional to 15,703.56, 23,549.31 and 6,340.32

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Solution

The fourth proportional to 15,703.56, 23,549.31 and 6,340.32 is: 9,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703.56 : 23,549.31 = 6,340.32 : x
  2. Step 2: Convert to fraction form
    15,703.56/23,549.31 = 6,340.32/x
  3. Step 3: Cross multiply
    15,703.56x = 23,549.31 × 6,340.32
  4. Step 4: Simplify right side
    15,703.56x = 149,310,161.18
  5. Step 5: Solve for x
    x = 149,310,161.18/15,703.56
  6. Step 6: Final answer
    x = 9,508.05

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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.