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Finding the Fourth Proportional to 27,199.84, 40,803.40 and 11,402.40

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Solution

The fourth proportional to 27,199.84, 40,803.40 and 11,402.40 is: 17,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,199.84 : 40,803.40 = 11,402.40 : x
  2. Step 2: Convert to fraction form
    27,199.84/40,803.40 = 11,402.40/x
  3. Step 3: Cross multiply
    27,199.84x = 40,803.40 × 11,402.40
  4. Step 4: Simplify right side
    27,199.84x = 465,256,688.16
  5. Step 5: Solve for x
    x = 465,256,688.16/27,199.84
  6. Step 6: Final answer
    x = 17,105.13

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1.5x scale

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.