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Finding the Fourth Proportional to 7,329.60, 10,995.60 and 4,045.86

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Solution

The fourth proportional to 7,329.60, 10,995.60 and 4,045.86 is: 6,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.60 : 10,995.60 = 4,045.86 : x
  2. Step 2: Convert to fraction form
    7,329.60/10,995.60 = 4,045.86/x
  3. Step 3: Cross multiply
    7,329.60x = 10,995.60 × 4,045.86
  4. Step 4: Simplify right side
    7,329.60x = 44,486,658.22
  5. Step 5: Solve for x
    x = 44,486,658.22/7,329.60
  6. Step 6: Final answer
    x = 6,069.45

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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.