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Finding the Fourth Proportional to 14,033.66, 21,039.46 and 7,010.05

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Solution

The fourth proportional to 14,033.66, 21,039.46 and 7,010.05 is: 10,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.66 : 21,039.46 = 7,010.05 : x
  2. Step 2: Convert to fraction form
    14,033.66/21,039.46 = 7,010.05/x
  3. Step 3: Cross multiply
    14,033.66x = 21,039.46 × 7,010.05
  4. Step 4: Simplify right side
    14,033.66x = 147,487,631.52
  5. Step 5: Solve for x
    x = 147,487,631.52/14,033.66
  6. Step 6: Final answer
    x = 10,509.56

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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.