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Finding the Fourth Proportional to 9,605.86, 14,404.19 and 4,928.11

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Solution

The fourth proportional to 9,605.86, 14,404.19 and 4,928.11 is: 7,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.86 : 14,404.19 = 4,928.11 : x
  2. Step 2: Convert to fraction form
    9,605.86/14,404.19 = 4,928.11/x
  3. Step 3: Cross multiply
    9,605.86x = 14,404.19 × 4,928.11
  4. Step 4: Simplify right side
    9,605.86x = 70,985,432.78
  5. Step 5: Solve for x
    x = 70,985,432.78/9,605.86
  6. Step 6: Final answer
    x = 7,389.81

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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.