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Finding the Fourth Proportional to 10,998, 16,497.01 and 4,842

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Solution

The fourth proportional to 10,998, 16,497.01 and 4,842 is: 7,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998 : 16,497.01 = 4,842 : x
  2. Step 2: Convert to fraction form
    10,998/16,497.01 = 4,842/x
  3. Step 3: Cross multiply
    10,998x = 16,497.01 × 4,842
  4. Step 4: Simplify right side
    10,998x = 79,878,522.42
  5. Step 5: Solve for x
    x = 79,878,522.42/10,998
  6. Step 6: Final answer
    x = 7,263.00

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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.