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Finding the Fourth Proportional to 5,011.24, 7,481 and 4,355.32

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Solution

The fourth proportional to 5,011.24, 7,481 and 4,355.32 is: 6,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.24 : 7,481 = 4,355.32 : x
  2. Step 2: Convert to fraction form
    5,011.24/7,481 = 4,355.32/x
  3. Step 3: Cross multiply
    5,011.24x = 7,481 × 4,355.32
  4. Step 4: Simplify right side
    5,011.24x = 32,582,148.92
  5. Step 5: Solve for x
    x = 32,582,148.92/5,011.24
  6. Step 6: Final answer
    x = 6,501.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.