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Finding the Fourth Proportional to 64,156.50, 88,532.36 and 35,474.49

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Solution

The fourth proportional to 64,156.50, 88,532.36 and 35,474.49 is: 48,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.50 : 88,532.36 = 35,474.49 : x
  2. Step 2: Convert to fraction form
    64,156.50/88,532.36 = 35,474.49/x
  3. Step 3: Cross multiply
    64,156.50x = 88,532.36 × 35,474.49
  4. Step 4: Simplify right side
    64,156.50x = 3,140,640,319.50
  5. Step 5: Solve for x
    x = 3,140,640,319.50/64,156.50
  6. Step 6: Final answer
    x = 48,952.80

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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.