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Finding the Fourth Proportional to 7,601.74, 11,461.09 and 7,465.66

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Solution

The fourth proportional to 7,601.74, 11,461.09 and 7,465.66 is: 11,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.74 : 11,461.09 = 7,465.66 : x
  2. Step 2: Convert to fraction form
    7,601.74/11,461.09 = 7,465.66/x
  3. Step 3: Cross multiply
    7,601.74x = 11,461.09 × 7,465.66
  4. Step 4: Simplify right side
    7,601.74x = 85,564,601.17
  5. Step 5: Solve for x
    x = 85,564,601.17/7,601.74
  6. Step 6: Final answer
    x = 11,255.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.