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Finding the Fourth Proportional to 32,421.45, 44,740.71 and 18,081.71

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Solution

The fourth proportional to 32,421.45, 44,740.71 and 18,081.71 is: 24,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.45 : 44,740.71 = 18,081.71 : x
  2. Step 2: Convert to fraction form
    32,421.45/44,740.71 = 18,081.71/x
  3. Step 3: Cross multiply
    32,421.45x = 44,740.71 × 18,081.71
  4. Step 4: Simplify right side
    32,421.45x = 808,988,543.41
  5. Step 5: Solve for x
    x = 808,988,543.41/32,421.45
  6. Step 6: Final answer
    x = 24,952.26

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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.