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Finding the Fourth Proportional to 9,976.71, 14,970.12 and 6,647.24

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Solution

The fourth proportional to 9,976.71, 14,970.12 and 6,647.24 is: 9,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.71 : 14,970.12 = 6,647.24 : x
  2. Step 2: Convert to fraction form
    9,976.71/14,970.12 = 6,647.24/x
  3. Step 3: Cross multiply
    9,976.71x = 14,970.12 × 6,647.24
  4. Step 4: Simplify right side
    9,976.71x = 99,509,905.62
  5. Step 5: Solve for x
    x = 99,509,905.62/9,976.71
  6. Step 6: Final answer
    x = 9,974.22

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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.