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Finding the Fourth Proportional to 13,368, 20,051.56 and 6,353.07

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Solution

The fourth proportional to 13,368, 20,051.56 and 6,353.07 is: 9,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368 : 20,051.56 = 6,353.07 : x
  2. Step 2: Convert to fraction form
    13,368/20,051.56 = 6,353.07/x
  3. Step 3: Cross multiply
    13,368x = 20,051.56 × 6,353.07
  4. Step 4: Simplify right side
    13,368x = 127,388,964.29
  5. Step 5: Solve for x
    x = 127,388,964.29/13,368
  6. Step 6: Final answer
    x = 9,529.40

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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.