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Finding the Fourth Proportional to 5,998,981.44, 8,999,822.76 and 1,900,549.71

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Solution

The fourth proportional to 5,998,981.44, 8,999,822.76 and 1,900,549.71 is: 2,851,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998,981.44 : 8,999,822.76 = 1,900,549.71 : x
  2. Step 2: Convert to fraction form
    5,998,981.44/8,999,822.76 = 1,900,549.71/x
  3. Step 3: Cross multiply
    5,998,981.44x = 8,999,822.76 × 1,900,549.71
  4. Step 4: Simplify right side
    5,998,981.44x = 17,104,610,536,569.40
  5. Step 5: Solve for x
    x = 17,104,610,536,569.40/5,998,981.44
  6. Step 6: Final answer
    x = 2,851,252.45

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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.