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Finding the Fourth Proportional to 64,012.95, 88,336.02 and 35,718.03

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Solution

The fourth proportional to 64,012.95, 88,336.02 and 35,718.03 is: 49,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,012.95 : 88,336.02 = 35,718.03 : x
  2. Step 2: Convert to fraction form
    64,012.95/88,336.02 = 35,718.03/x
  3. Step 3: Cross multiply
    64,012.95x = 88,336.02 × 35,718.03
  4. Step 4: Simplify right side
    64,012.95x = 3,155,188,612.44
  5. Step 5: Solve for x
    x = 3,155,188,612.44/64,012.95
  6. Step 6: Final answer
    x = 49,289.85

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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.