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Finding the Fourth Proportional to 64,388.76, 88,881.66 and 49,280.52

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Solution

The fourth proportional to 64,388.76, 88,881.66 and 49,280.52 is: 68,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,388.76 : 88,881.66 = 49,280.52 : x
  2. Step 2: Convert to fraction form
    64,388.76/88,881.66 = 49,280.52/x
  3. Step 3: Cross multiply
    64,388.76x = 88,881.66 × 49,280.52
  4. Step 4: Simplify right side
    64,388.76x = 4,380,134,423.26
  5. Step 5: Solve for x
    x = 4,380,134,423.26/64,388.76
  6. Step 6: Final answer
    x = 68,026.38

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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.