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Finding the Fourth Proportional to 7,603.55, 11,405.21 and 6,302.27

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Solution

The fourth proportional to 7,603.55, 11,405.21 and 6,302.27 is: 9,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.55 : 11,405.21 = 6,302.27 : x
  2. Step 2: Convert to fraction form
    7,603.55/11,405.21 = 6,302.27/x
  3. Step 3: Cross multiply
    7,603.55x = 11,405.21 × 6,302.27
  4. Step 4: Simplify right side
    7,603.55x = 71,878,681.32
  5. Step 5: Solve for x
    x = 71,878,681.32/7,603.55
  6. Step 6: Final answer
    x = 9,453.31

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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.