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Finding the Fourth Proportional to 32,486.30, 44,831.80 and 18,339.46

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Solution

The fourth proportional to 32,486.30, 44,831.80 and 18,339.46 is: 25,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.30 : 44,831.80 = 18,339.46 : x
  2. Step 2: Convert to fraction form
    32,486.30/44,831.80 = 18,339.46/x
  3. Step 3: Cross multiply
    32,486.30x = 44,831.80 × 18,339.46
  4. Step 4: Simplify right side
    32,486.30x = 822,191,002.83
  5. Step 5: Solve for x
    x = 822,191,002.83/32,486.30
  6. Step 6: Final answer
    x = 25,308.85

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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.