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Finding the Fourth Proportional to 16,570.90, 24,980.42 and 15,470.92

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Solution

The fourth proportional to 16,570.90, 24,980.42 and 15,470.92 is: 23,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,570.90 : 24,980.42 = 15,470.92 : x
  2. Step 2: Convert to fraction form
    16,570.90/24,980.42 = 15,470.92/x
  3. Step 3: Cross multiply
    16,570.90x = 24,980.42 × 15,470.92
  4. Step 4: Simplify right side
    16,570.90x = 386,470,079.39
  5. Step 5: Solve for x
    x = 386,470,079.39/16,570.90
  6. Step 6: Final answer
    x = 23,322.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.