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Finding the Fourth Proportional to 7,003.36, 9,661.58 and 5,013.19

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Solution

The fourth proportional to 7,003.36, 9,661.58 and 5,013.19 is: 6,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.36 : 9,661.58 = 5,013.19 : x
  2. Step 2: Convert to fraction form
    7,003.36/9,661.58 = 5,013.19/x
  3. Step 3: Cross multiply
    7,003.36x = 9,661.58 × 5,013.19
  4. Step 4: Simplify right side
    7,003.36x = 48,435,311.17
  5. Step 5: Solve for x
    x = 48,435,311.17/7,003.36
  6. Step 6: Final answer
    x = 6,916.01

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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.