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Finding the Fourth Proportional to 13,246.53, 19,881.33 and 7,011.02

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Solution

The fourth proportional to 13,246.53, 19,881.33 and 7,011.02 is: 10,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.53 : 19,881.33 = 7,011.02 : x
  2. Step 2: Convert to fraction form
    13,246.53/19,881.33 = 7,011.02/x
  3. Step 3: Cross multiply
    13,246.53x = 19,881.33 × 7,011.02
  4. Step 4: Simplify right side
    13,246.53x = 139,388,402.26
  5. Step 5: Solve for x
    x = 139,388,402.26/13,246.53
  6. Step 6: Final answer
    x = 10,522.64

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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.