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Finding the Fourth Proportional to 54,359.54, 74,946.71 and 35,205.47

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Solution

The fourth proportional to 54,359.54, 74,946.71 and 35,205.47 is: 48,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,359.54 : 74,946.71 = 35,205.47 : x
  2. Step 2: Convert to fraction form
    54,359.54/74,946.71 = 35,205.47/x
  3. Step 3: Cross multiply
    54,359.54x = 74,946.71 × 35,205.47
  4. Step 4: Simplify right side
    54,359.54x = 2,638,534,150.50
  5. Step 5: Solve for x
    x = 2,638,534,150.50/54,359.54
  6. Step 6: Final answer
    x = 48,538.57

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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.