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Finding the Fourth Proportional to 17,103,710.16, 25,652,357.64 and 8,581,758.48

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Solution

The fourth proportional to 17,103,710.16, 25,652,357.64 and 8,581,758.48 is: 12,871,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,103,710.16 : 25,652,357.64 = 8,581,758.48 : x
  2. Step 2: Convert to fraction form
    17,103,710.16/25,652,357.64 = 8,581,758.48/x
  3. Step 3: Cross multiply
    17,103,710.16x = 25,652,357.64 × 8,581,758.48
  4. Step 4: Simplify right side
    17,103,710.16x = 220,142,337,709,062.81
  5. Step 5: Solve for x
    x = 220,142,337,709,062.81/17,103,710.16
  6. Step 6: Final answer
    x = 12,871,028.31

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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.