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Finding the Fourth Proportional to 64,250.68, 96,486.32 and 39,436.44

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Solution

The fourth proportional to 64,250.68, 96,486.32 and 39,436.44 is: 59,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250.68 : 96,486.32 = 39,436.44 : x
  2. Step 2: Convert to fraction form
    64,250.68/96,486.32 = 39,436.44/x
  3. Step 3: Cross multiply
    64,250.68x = 96,486.32 × 39,436.44
  4. Step 4: Simplify right side
    64,250.68x = 3,805,076,969.50
  5. Step 5: Solve for x
    x = 3,805,076,969.50/64,250.68
  6. Step 6: Final answer
    x = 59,222.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.