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Finding the Fourth Proportional to 23,510.79, 35,220.03 and 13,629.30

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Solution

The fourth proportional to 23,510.79, 35,220.03 and 13,629.30 is: 20,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,510.79 : 35,220.03 = 13,629.30 : x
  2. Step 2: Convert to fraction form
    23,510.79/35,220.03 = 13,629.30/x
  3. Step 3: Cross multiply
    23,510.79x = 35,220.03 × 13,629.30
  4. Step 4: Simplify right side
    23,510.79x = 480,024,354.88
  5. Step 5: Solve for x
    x = 480,024,354.88/23,510.79
  6. Step 6: Final answer
    x = 20,417.19

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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.