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Finding the Fourth Proportional to 32,390.68, 44,710.32 and 18,966.25

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Solution

The fourth proportional to 32,390.68, 44,710.32 and 18,966.25 is: 26,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.68 : 44,710.32 = 18,966.25 : x
  2. Step 2: Convert to fraction form
    32,390.68/44,710.32 = 18,966.25/x
  3. Step 3: Cross multiply
    32,390.68x = 44,710.32 × 18,966.25
  4. Step 4: Simplify right side
    32,390.68x = 847,987,106.70
  5. Step 5: Solve for x
    x = 847,987,106.70/32,390.68
  6. Step 6: Final answer
    x = 26,179.97

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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.