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Finding the Fourth Proportional to 53,963.58, 74,478.78 and 32,756.98

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Solution

The fourth proportional to 53,963.58, 74,478.78 and 32,756.98 is: 45,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,963.58 : 74,478.78 = 32,756.98 : x
  2. Step 2: Convert to fraction form
    53,963.58/74,478.78 = 32,756.98/x
  3. Step 3: Cross multiply
    53,963.58x = 74,478.78 × 32,756.98
  4. Step 4: Simplify right side
    53,963.58x = 2,439,699,906.88
  5. Step 5: Solve for x
    x = 2,439,699,906.88/53,963.58
  6. Step 6: Final answer
    x = 45,210.12

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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.