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Finding the Fourth Proportional to 10,624.70, 14,661.06 and 6,147.56

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Solution

The fourth proportional to 10,624.70, 14,661.06 and 6,147.56 is: 8,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.70 : 14,661.06 = 6,147.56 : x
  2. Step 2: Convert to fraction form
    10,624.70/14,661.06 = 6,147.56/x
  3. Step 3: Cross multiply
    10,624.70x = 14,661.06 × 6,147.56
  4. Step 4: Simplify right side
    10,624.70x = 90,129,746.01
  5. Step 5: Solve for x
    x = 90,129,746.01/10,624.70
  6. Step 6: Final answer
    x = 8,483.04

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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.