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Finding the Fourth Proportional to 15,574.68, 23,365.09 and 5,714.04

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Solution

The fourth proportional to 15,574.68, 23,365.09 and 5,714.04 is: 8,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.68 : 23,365.09 = 5,714.04 : x
  2. Step 2: Convert to fraction form
    15,574.68/23,365.09 = 5,714.04/x
  3. Step 3: Cross multiply
    15,574.68x = 23,365.09 × 5,714.04
  4. Step 4: Simplify right side
    15,574.68x = 133,509,058.86
  5. Step 5: Solve for x
    x = 133,509,058.86/15,574.68
  6. Step 6: Final answer
    x = 8,572.19

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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.