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Finding the Fourth Proportional to 9,807.56, 14,705.79 and 8,970.69

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Solution

The fourth proportional to 9,807.56, 14,705.79 and 8,970.69 is: 13,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.56 : 14,705.79 = 8,970.69 : x
  2. Step 2: Convert to fraction form
    9,807.56/14,705.79 = 8,970.69/x
  3. Step 3: Cross multiply
    9,807.56x = 14,705.79 × 8,970.69
  4. Step 4: Simplify right side
    9,807.56x = 131,921,116.94
  5. Step 5: Solve for x
    x = 131,921,116.94/9,807.56
  6. Step 6: Final answer
    x = 13,450.97

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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.