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Finding the Fourth Proportional to 8,806.53, 12,153.06 and 5,268.87

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Solution

The fourth proportional to 8,806.53, 12,153.06 and 5,268.87 is: 7,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.53 : 12,153.06 = 5,268.87 : x
  2. Step 2: Convert to fraction form
    8,806.53/12,153.06 = 5,268.87/x
  3. Step 3: Cross multiply
    8,806.53x = 12,153.06 × 5,268.87
  4. Step 4: Simplify right side
    8,806.53x = 64,032,893.24
  5. Step 5: Solve for x
    x = 64,032,893.24/8,806.53
  6. Step 6: Final answer
    x = 7,271.07

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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.