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Finding the Fourth Proportional to 8,955.66, 12,364.97 and 5,600.10

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Solution

The fourth proportional to 8,955.66, 12,364.97 and 5,600.10 is: 7,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.66 : 12,364.97 = 5,600.10 : x
  2. Step 2: Convert to fraction form
    8,955.66/12,364.97 = 5,600.10/x
  3. Step 3: Cross multiply
    8,955.66x = 12,364.97 × 5,600.10
  4. Step 4: Simplify right side
    8,955.66x = 69,245,040.50
  5. Step 5: Solve for x
    x = 69,245,040.50/8,955.66
  6. Step 6: Final answer
    x = 7,731.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.