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Finding the Fourth Proportional to 17,804,979.20, 26,707,468.80 and 17,616,022.40

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Solution

The fourth proportional to 17,804,979.20, 26,707,468.80 and 17,616,022.40 is: 26,424,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804,979.20 : 26,707,468.80 = 17,616,022.40 : x
  2. Step 2: Convert to fraction form
    17,804,979.20/26,707,468.80 = 17,616,022.40/x
  3. Step 3: Cross multiply
    17,804,979.20x = 26,707,468.80 × 17,616,022.40
  4. Step 4: Simplify right side
    17,804,979.20x = 470,479,368,628,101.06
  5. Step 5: Solve for x
    x = 470,479,368,628,101.06/17,804,979.20
  6. Step 6: Final answer
    x = 26,424,033.60

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1.5x scale

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.