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Finding the Fourth Proportional to 15,797.56, 21,800.58 and 9,510.28

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Solution

The fourth proportional to 15,797.56, 21,800.58 and 9,510.28 is: 13,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.56 : 21,800.58 = 9,510.28 : x
  2. Step 2: Convert to fraction form
    15,797.56/21,800.58 = 9,510.28/x
  3. Step 3: Cross multiply
    15,797.56x = 21,800.58 × 9,510.28
  4. Step 4: Simplify right side
    15,797.56x = 207,329,619.96
  5. Step 5: Solve for x
    x = 207,329,619.96/15,797.56
  6. Step 6: Final answer
    x = 13,124.15

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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.