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Finding the Fourth Proportional to 66,011.70, 99,032.13 and 32,749.86

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Solution

The fourth proportional to 66,011.70, 99,032.13 and 32,749.86 is: 49,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.70 : 99,032.13 = 32,749.86 : x
  2. Step 2: Convert to fraction form
    66,011.70/99,032.13 = 32,749.86/x
  3. Step 3: Cross multiply
    66,011.70x = 99,032.13 × 32,749.86
  4. Step 4: Simplify right side
    66,011.70x = 3,243,288,393.00
  5. Step 5: Solve for x
    x = 3,243,288,393.00/66,011.70
  6. Step 6: Final answer
    x = 49,132.02

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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.