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Finding the Fourth Proportional to 9,647.86, 14,474.18 and 6,867.63

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Solution

The fourth proportional to 9,647.86, 14,474.18 and 6,867.63 is: 10,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.86 : 14,474.18 = 6,867.63 : x
  2. Step 2: Convert to fraction form
    9,647.86/14,474.18 = 6,867.63/x
  3. Step 3: Cross multiply
    9,647.86x = 14,474.18 × 6,867.63
  4. Step 4: Simplify right side
    9,647.86x = 99,403,312.79
  5. Step 5: Solve for x
    x = 99,403,312.79/9,647.86
  6. Step 6: Final answer
    x = 10,303.15

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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.