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Finding the Fourth Proportional to 66,510.54, 91,267.97 and 60,496.38

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Solution

The fourth proportional to 66,510.54, 91,267.97 and 60,496.38 is: 83,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,510.54 : 91,267.97 = 60,496.38 : x
  2. Step 2: Convert to fraction form
    66,510.54/91,267.97 = 60,496.38/x
  3. Step 3: Cross multiply
    66,510.54x = 91,267.97 × 60,496.38
  4. Step 4: Simplify right side
    66,510.54x = 5,521,381,492.47
  5. Step 5: Solve for x
    x = 5,521,381,492.47/66,510.54
  6. Step 6: Final answer
    x = 83,015.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.