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Finding the Fourth Proportional to 52,489.30, 72,446.90 and 33,365.32

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Solution

The fourth proportional to 52,489.30, 72,446.90 and 33,365.32 is: 46,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.30 : 72,446.90 = 33,365.32 : x
  2. Step 2: Convert to fraction form
    52,489.30/72,446.90 = 33,365.32/x
  3. Step 3: Cross multiply
    52,489.30x = 72,446.90 × 33,365.32
  4. Step 4: Simplify right side
    52,489.30x = 2,417,214,001.51
  5. Step 5: Solve for x
    x = 2,417,214,001.51/52,489.30
  6. Step 6: Final answer
    x = 46,051.56

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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.