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Finding the Fourth Proportional to 8,862.79, 13,297.01 and 2,622.84

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Solution

The fourth proportional to 8,862.79, 13,297.01 and 2,622.84 is: 3,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.79 : 13,297.01 = 2,622.84 : x
  2. Step 2: Convert to fraction form
    8,862.79/13,297.01 = 2,622.84/x
  3. Step 3: Cross multiply
    8,862.79x = 13,297.01 × 2,622.84
  4. Step 4: Simplify right side
    8,862.79x = 34,875,929.71
  5. Step 5: Solve for x
    x = 34,875,929.71/8,862.79
  6. Step 6: Final answer
    x = 3,935.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.