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Finding the Fourth Proportional to 61,513.48, 84,888.60 and 33,219.16

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Solution

The fourth proportional to 61,513.48, 84,888.60 and 33,219.16 is: 45,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,513.48 : 84,888.60 = 33,219.16 : x
  2. Step 2: Convert to fraction form
    61,513.48/84,888.60 = 33,219.16/x
  3. Step 3: Cross multiply
    61,513.48x = 84,888.60 × 33,219.16
  4. Step 4: Simplify right side
    61,513.48x = 2,819,927,819.48
  5. Step 5: Solve for x
    x = 2,819,927,819.48/61,513.48
  6. Step 6: Final answer
    x = 45,842.44

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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.