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Finding the Fourth Proportional to 17,579,990.40, 26,348,990.40 and 7,344,830.40

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Solution

The fourth proportional to 17,579,990.40, 26,348,990.40 and 7,344,830.40 is: 11,008,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579,990.40 : 26,348,990.40 = 7,344,830.40 : x
  2. Step 2: Convert to fraction form
    17,579,990.40/26,348,990.40 = 7,344,830.40/x
  3. Step 3: Cross multiply
    17,579,990.40x = 26,348,990.40 × 7,344,830.40
  4. Step 4: Simplify right side
    17,579,990.40x = 193,528,865,699,228.16
  5. Step 5: Solve for x
    x = 193,528,865,699,228.16/17,579,990.40
  6. Step 6: Final answer
    x = 11,008,473.91

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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.