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Finding the Fourth Proportional to 64,221.86, 96,332.93 and 34,653.62

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Solution

The fourth proportional to 64,221.86, 96,332.93 and 34,653.62 is: 51,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.86 : 96,332.93 = 34,653.62 : x
  2. Step 2: Convert to fraction form
    64,221.86/96,332.93 = 34,653.62/x
  3. Step 3: Cross multiply
    64,221.86x = 96,332.93 × 34,653.62
  4. Step 4: Simplify right side
    64,221.86x = 3,338,284,749.71
  5. Step 5: Solve for x
    x = 3,338,284,749.71/64,221.86
  6. Step 6: Final answer
    x = 51,980.51

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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.