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Finding the Fourth Proportional to 63,433.88, 87,538.75 and 35,141.39

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Solution

The fourth proportional to 63,433.88, 87,538.75 and 35,141.39 is: 48,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,433.88 : 87,538.75 = 35,141.39 : x
  2. Step 2: Convert to fraction form
    63,433.88/87,538.75 = 35,141.39/x
  3. Step 3: Cross multiply
    63,433.88x = 87,538.75 × 35,141.39
  4. Step 4: Simplify right side
    63,433.88x = 3,076,232,828.32
  5. Step 5: Solve for x
    x = 3,076,232,828.32/63,433.88
  6. Step 6: Final answer
    x = 48,495.11

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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.