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Finding the Fourth Proportional to 7,007.32, 9,670.79 and 5,235.85

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Solution

The fourth proportional to 7,007.32, 9,670.79 and 5,235.85 is: 7,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.32 : 9,670.79 = 5,235.85 : x
  2. Step 2: Convert to fraction form
    7,007.32/9,670.79 = 5,235.85/x
  3. Step 3: Cross multiply
    7,007.32x = 9,670.79 × 5,235.85
  4. Step 4: Simplify right side
    7,007.32x = 50,634,805.82
  5. Step 5: Solve for x
    x = 50,634,805.82/7,007.32
  6. Step 6: Final answer
    x = 7,225.99

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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.