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Finding the Fourth Proportional to 17,737,985.40, 26,606,978.10 and 17,570,023.80

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Solution

The fourth proportional to 17,737,985.40, 26,606,978.10 and 17,570,023.80 is: 26,355,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737,985.40 : 26,606,978.10 = 17,570,023.80 : x
  2. Step 2: Convert to fraction form
    17,737,985.40/26,606,978.10 = 17,570,023.80/x
  3. Step 3: Cross multiply
    17,737,985.40x = 26,606,978.10 × 17,570,023.80
  4. Step 4: Simplify right side
    17,737,985.40x = 467,485,238,463,078.81
  5. Step 5: Solve for x
    x = 467,485,238,463,078.81/17,737,985.40
  6. Step 6: Final answer
    x = 26,355,035.70

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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.