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Finding the Fourth Proportional to 64,404.20, 96,606.30 and 59,335.40

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Solution

The fourth proportional to 64,404.20, 96,606.30 and 59,335.40 is: 89,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,404.20 : 96,606.30 = 59,335.40 : x
  2. Step 2: Convert to fraction form
    64,404.20/96,606.30 = 59,335.40/x
  3. Step 3: Cross multiply
    64,404.20x = 96,606.30 × 59,335.40
  4. Step 4: Simplify right side
    64,404.20x = 5,732,173,453.02
  5. Step 5: Solve for x
    x = 5,732,173,453.02/64,404.20
  6. Step 6: Final answer
    x = 89,003.10

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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.