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Finding the Fourth Proportional to 5,353.32, 8,030.07 and 1,457.82

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Solution

The fourth proportional to 5,353.32, 8,030.07 and 1,457.82 is: 2,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.32 : 8,030.07 = 1,457.82 : x
  2. Step 2: Convert to fraction form
    5,353.32/8,030.07 = 1,457.82/x
  3. Step 3: Cross multiply
    5,353.32x = 8,030.07 × 1,457.82
  4. Step 4: Simplify right side
    5,353.32x = 11,706,396.65
  5. Step 5: Solve for x
    x = 11,706,396.65/5,353.32
  6. Step 6: Final answer
    x = 2,186.75

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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.