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Finding the Fourth Proportional to 61,066.40, 84,279.44 and 35,918.24

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Solution

The fourth proportional to 61,066.40, 84,279.44 and 35,918.24 is: 49,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,066.40 : 84,279.44 = 35,918.24 : x
  2. Step 2: Convert to fraction form
    61,066.40/84,279.44 = 35,918.24/x
  3. Step 3: Cross multiply
    61,066.40x = 84,279.44 × 35,918.24
  4. Step 4: Simplify right side
    61,066.40x = 3,027,169,152.99
  5. Step 5: Solve for x
    x = 3,027,169,152.99/61,066.40
  6. Step 6: Final answer
    x = 49,571.76

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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.