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Finding the Fourth Proportional to 27,315.01, 40,981.02 and 9,784.99

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Solution

The fourth proportional to 27,315.01, 40,981.02 and 9,784.99 is: 14,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.01 : 40,981.02 = 9,784.99 : x
  2. Step 2: Convert to fraction form
    27,315.01/40,981.02 = 9,784.99/x
  3. Step 3: Cross multiply
    27,315.01x = 40,981.02 × 9,784.99
  4. Step 4: Simplify right side
    27,315.01x = 400,998,870.89
  5. Step 5: Solve for x
    x = 400,998,870.89/27,315.01
  6. Step 6: Final answer
    x = 14,680.53

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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.