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Finding the Fourth Proportional to 32,602.60, 48,903.90 and 21,327.40

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Solution

The fourth proportional to 32,602.60, 48,903.90 and 21,327.40 is: 31,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,602.60 : 48,903.90 = 21,327.40 : x
  2. Step 2: Convert to fraction form
    32,602.60/48,903.90 = 21,327.40/x
  3. Step 3: Cross multiply
    32,602.60x = 48,903.90 × 21,327.40
  4. Step 4: Simplify right side
    32,602.60x = 1,042,993,036.86
  5. Step 5: Solve for x
    x = 1,042,993,036.86/32,602.60
  6. Step 6: Final answer
    x = 31,991.10

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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.