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Finding the Fourth Proportional to 15,406.71, 23,101.43 and 10,482.99

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Solution

The fourth proportional to 15,406.71, 23,101.43 and 10,482.99 is: 15,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.71 : 23,101.43 = 10,482.99 : x
  2. Step 2: Convert to fraction form
    15,406.71/23,101.43 = 10,482.99/x
  3. Step 3: Cross multiply
    15,406.71x = 23,101.43 × 10,482.99
  4. Step 4: Simplify right side
    15,406.71x = 242,172,007.26
  5. Step 5: Solve for x
    x = 242,172,007.26/15,406.71
  6. Step 6: Final answer
    x = 15,718.61

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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.