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Finding the Fourth Proportional to 17,496,603.60, 26,249,052.60 and 8,978,254.80

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Solution

The fourth proportional to 17,496,603.60, 26,249,052.60 and 8,978,254.80 is: 13,469,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,496,603.60 : 26,249,052.60 = 8,978,254.80 : x
  2. Step 2: Convert to fraction form
    17,496,603.60/26,249,052.60 = 8,978,254.80/x
  3. Step 3: Cross multiply
    17,496,603.60x = 26,249,052.60 × 8,978,254.80
  4. Step 4: Simplify right side
    17,496,603.60x = 235,670,682,501,402.50
  5. Step 5: Solve for x
    x = 235,670,682,501,402.50/17,496,603.60
  6. Step 6: Final answer
    x = 13,469,510.31

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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.