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Finding the Fourth Proportional to 17,991,950, 26,987,950.92 and 7,354,382

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Solution

The fourth proportional to 17,991,950, 26,987,950.92 and 7,354,382 is: 11,031,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991,950 : 26,987,950.92 = 7,354,382 : x
  2. Step 2: Convert to fraction form
    17,991,950/26,987,950.92 = 7,354,382/x
  3. Step 3: Cross multiply
    17,991,950x = 26,987,950.92 × 7,354,382
  4. Step 4: Simplify right side
    17,991,950x = 198,479,700,462,931.47
  5. Step 5: Solve for x
    x = 198,479,700,462,931.47/17,991,950
  6. Step 6: Final answer
    x = 11,031,583.60

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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.