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Finding the Fourth Proportional to 64,406.40, 96,612.48 and 33,302.40

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Solution

The fourth proportional to 64,406.40, 96,612.48 and 33,302.40 is: 49,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,406.40 : 96,612.48 = 33,302.40 : x
  2. Step 2: Convert to fraction form
    64,406.40/96,612.48 = 33,302.40/x
  3. Step 3: Cross multiply
    64,406.40x = 96,612.48 × 33,302.40
  4. Step 4: Simplify right side
    64,406.40x = 3,217,427,453.95
  5. Step 5: Solve for x
    x = 3,217,427,453.95/64,406.40
  6. Step 6: Final answer
    x = 49,955.09

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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.