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Finding the Fourth Proportional to 55,066.16, 75,984.03 and 34,887.44

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Solution

The fourth proportional to 55,066.16, 75,984.03 and 34,887.44 is: 48,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,066.16 : 75,984.03 = 34,887.44 : x
  2. Step 2: Convert to fraction form
    55,066.16/75,984.03 = 34,887.44/x
  3. Step 3: Cross multiply
    55,066.16x = 75,984.03 × 34,887.44
  4. Step 4: Simplify right side
    55,066.16x = 2,650,888,287.58
  5. Step 5: Solve for x
    x = 2,650,888,287.58/55,066.16
  6. Step 6: Final answer
    x = 48,140.06

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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.