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Finding the Fourth Proportional to 17,670,645.60, 26,468,643.60 and 14,684,661.60

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Solution

The fourth proportional to 17,670,645.60, 26,468,643.60 and 14,684,661.60 is: 21,995,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,645.60 : 26,468,643.60 = 14,684,661.60 : x
  2. Step 2: Convert to fraction form
    17,670,645.60/26,468,643.60 = 14,684,661.60/x
  3. Step 3: Cross multiply
    17,670,645.60x = 26,468,643.60 × 14,684,661.60
  4. Step 4: Simplify right side
    17,670,645.60x = 388,683,074,277,005.75
  5. Step 5: Solve for x
    x = 388,683,074,277,005.75/17,670,645.60
  6. Step 6: Final answer
    x = 21,995,974.74

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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.