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Finding the Fourth Proportional to 9,020.55, 13,520.94 and 4,638.24

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Solution

The fourth proportional to 9,020.55, 13,520.94 and 4,638.24 is: 6,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.55 : 13,520.94 = 4,638.24 : x
  2. Step 2: Convert to fraction form
    9,020.55/13,520.94 = 4,638.24/x
  3. Step 3: Cross multiply
    9,020.55x = 13,520.94 × 4,638.24
  4. Step 4: Simplify right side
    9,020.55x = 62,713,364.75
  5. Step 5: Solve for x
    x = 62,713,364.75/9,020.55
  6. Step 6: Final answer
    x = 6,952.28

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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.