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Finding the Fourth Proportional to 27,274.35, 40,915.89 and 9,510.12

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Solution

The fourth proportional to 27,274.35, 40,915.89 and 9,510.12 is: 14,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.35 : 40,915.89 = 9,510.12 : x
  2. Step 2: Convert to fraction form
    27,274.35/40,915.89 = 9,510.12/x
  3. Step 3: Cross multiply
    27,274.35x = 40,915.89 × 9,510.12
  4. Step 4: Simplify right side
    27,274.35x = 389,115,023.81
  5. Step 5: Solve for x
    x = 389,115,023.81/27,274.35
  6. Step 6: Final answer
    x = 14,266.70

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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.