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Finding the Fourth Proportional to 32,854.58, 45,345.92 and 21,353.39

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Solution

The fourth proportional to 32,854.58, 45,345.92 and 21,353.39 is: 29,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,854.58 : 45,345.92 = 21,353.39 : x
  2. Step 2: Convert to fraction form
    32,854.58/45,345.92 = 21,353.39/x
  3. Step 3: Cross multiply
    32,854.58x = 45,345.92 × 21,353.39
  4. Step 4: Simplify right side
    32,854.58x = 968,289,114.67
  5. Step 5: Solve for x
    x = 968,289,114.67/32,854.58
  6. Step 6: Final answer
    x = 29,471.97

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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.