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Finding the Fourth Proportional to 13,803,103.01, 20,702,409.80 and 6,516,548.75

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Solution

The fourth proportional to 13,803,103.01, 20,702,409.80 and 6,516,548.75 is: 9,773,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803,103.01 : 20,702,409.80 = 6,516,548.75 : x
  2. Step 2: Convert to fraction form
    13,803,103.01/20,702,409.80 = 6,516,548.75/x
  3. Step 3: Cross multiply
    13,803,103.01x = 20,702,409.80 × 6,516,548.75
  4. Step 4: Simplify right side
    13,803,103.01x = 134,908,262,568,082.97
  5. Step 5: Solve for x
    x = 134,908,262,568,082.97/13,803,103.01
  6. Step 6: Final answer
    x = 9,773,763.37

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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.