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Finding the Fourth Proportional to 46,991.81, 64,934.54 and 34,222.77

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Solution

The fourth proportional to 46,991.81, 64,934.54 and 34,222.77 is: 47,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,991.81 : 64,934.54 = 34,222.77 : x
  2. Step 2: Convert to fraction form
    46,991.81/64,934.54 = 34,222.77/x
  3. Step 3: Cross multiply
    46,991.81x = 64,934.54 × 34,222.77
  4. Step 4: Simplify right side
    46,991.81x = 2,222,239,656.36
  5. Step 5: Solve for x
    x = 2,222,239,656.36/46,991.81
  6. Step 6: Final answer
    x = 47,289.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.