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Finding the Fourth Proportional to 6,263.16, 8,642.15 and 3,746.31

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Solution

The fourth proportional to 6,263.16, 8,642.15 and 3,746.31 is: 5,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.16 : 8,642.15 = 3,746.31 : x
  2. Step 2: Convert to fraction form
    6,263.16/8,642.15 = 3,746.31/x
  3. Step 3: Cross multiply
    6,263.16x = 8,642.15 × 3,746.31
  4. Step 4: Simplify right side
    6,263.16x = 32,376,154.23
  5. Step 5: Solve for x
    x = 32,376,154.23/6,263.16
  6. Step 6: Final answer
    x = 5,169.30

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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.