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Finding the Fourth Proportional to 64,803.78, 97,118.19 and 33,660.90

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Solution

The fourth proportional to 64,803.78, 97,118.19 and 33,660.90 is: 50,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,803.78 : 97,118.19 = 33,660.90 : x
  2. Step 2: Convert to fraction form
    64,803.78/97,118.19 = 33,660.90/x
  3. Step 3: Cross multiply
    64,803.78x = 97,118.19 × 33,660.90
  4. Step 4: Simplify right side
    64,803.78x = 3,269,085,681.77
  5. Step 5: Solve for x
    x = 3,269,085,681.77/64,803.78
  6. Step 6: Final answer
    x = 50,445.91

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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.