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Finding the Fourth Proportional to 36,458.76, 54,683.53 and 14,287.71

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Solution

The fourth proportional to 36,458.76, 54,683.53 and 14,287.71 is: 21,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.76 : 54,683.53 = 14,287.71 : x
  2. Step 2: Convert to fraction form
    36,458.76/54,683.53 = 14,287.71/x
  3. Step 3: Cross multiply
    36,458.76x = 54,683.53 × 14,287.71
  4. Step 4: Simplify right side
    36,458.76x = 781,302,106.28
  5. Step 5: Solve for x
    x = 781,302,106.28/36,458.76
  6. Step 6: Final answer
    x = 21,429.75

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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.