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Finding the Fourth Proportional to 9,983.53, 14,955.25 and 4,970.80

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Solution

The fourth proportional to 9,983.53, 14,955.25 and 4,970.80 is: 7,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.53 : 14,955.25 = 4,970.80 : x
  2. Step 2: Convert to fraction form
    9,983.53/14,955.25 = 4,970.80/x
  3. Step 3: Cross multiply
    9,983.53x = 14,955.25 × 4,970.80
  4. Step 4: Simplify right side
    9,983.53x = 74,339,531.85
  5. Step 5: Solve for x
    x = 74,339,531.85/9,983.53
  6. Step 6: Final answer
    x = 7,446.22

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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.