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Finding the Fourth Proportional to 7,651.77, 10,559.07 and 4,294.05

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Solution

The fourth proportional to 7,651.77, 10,559.07 and 4,294.05 is: 5,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.77 : 10,559.07 = 4,294.05 : x
  2. Step 2: Convert to fraction form
    7,651.77/10,559.07 = 4,294.05/x
  3. Step 3: Cross multiply
    7,651.77x = 10,559.07 × 4,294.05
  4. Step 4: Simplify right side
    7,651.77x = 45,341,174.53
  5. Step 5: Solve for x
    x = 45,341,174.53/7,651.77
  6. Step 6: Final answer
    x = 5,925.58

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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.