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Finding the Fourth Proportional to 54,344.96, 74,984.64 and 35,509.76

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Solution

The fourth proportional to 54,344.96, 74,984.64 and 35,509.76 is: 48,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344.96 : 74,984.64 = 35,509.76 : x
  2. Step 2: Convert to fraction form
    54,344.96/74,984.64 = 35,509.76/x
  3. Step 3: Cross multiply
    54,344.96x = 74,984.64 × 35,509.76
  4. Step 4: Simplify right side
    54,344.96x = 2,662,686,570.09
  5. Step 5: Solve for x
    x = 2,662,686,570.09/54,344.96
  6. Step 6: Final answer
    x = 48,996.02

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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.