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Finding the Fourth Proportional to 7,038.53, 9,704.04 and 4,381.19

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Solution

The fourth proportional to 7,038.53, 9,704.04 and 4,381.19 is: 6,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.53 : 9,704.04 = 4,381.19 : x
  2. Step 2: Convert to fraction form
    7,038.53/9,704.04 = 4,381.19/x
  3. Step 3: Cross multiply
    7,038.53x = 9,704.04 × 4,381.19
  4. Step 4: Simplify right side
    7,038.53x = 42,515,243.01
  5. Step 5: Solve for x
    x = 42,515,243.01/7,038.53
  6. Step 6: Final answer
    x = 6,040.36

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Half scale
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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.