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Finding the Fourth Proportional to 6,510.11, 8,981.84 and 4,153.01

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Solution

The fourth proportional to 6,510.11, 8,981.84 and 4,153.01 is: 5,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.11 : 8,981.84 = 4,153.01 : x
  2. Step 2: Convert to fraction form
    6,510.11/8,981.84 = 4,153.01/x
  3. Step 3: Cross multiply
    6,510.11x = 8,981.84 × 4,153.01
  4. Step 4: Simplify right side
    6,510.11x = 37,301,650.57
  5. Step 5: Solve for x
    x = 37,301,650.57/6,510.11
  6. Step 6: Final answer
    x = 5,729.80

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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.