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Finding the Fourth Proportional to 64,512.30, 96,768.45 and 60,624.30

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Solution

The fourth proportional to 64,512.30, 96,768.45 and 60,624.30 is: 90,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512.30 : 96,768.45 = 60,624.30 : x
  2. Step 2: Convert to fraction form
    64,512.30/96,768.45 = 60,624.30/x
  3. Step 3: Cross multiply
    64,512.30x = 96,768.45 × 60,624.30
  4. Step 4: Simplify right side
    64,512.30x = 5,866,519,543.34
  5. Step 5: Solve for x
    x = 5,866,519,543.34/64,512.30
  6. Step 6: Final answer
    x = 90,936.45

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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.