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Finding the Fourth Proportional to 61,012.63, 91,532.85 and 23,572.81

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Solution

The fourth proportional to 61,012.63, 91,532.85 and 23,572.81 is: 35,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,012.63 : 91,532.85 = 23,572.81 : x
  2. Step 2: Convert to fraction form
    61,012.63/91,532.85 = 23,572.81/x
  3. Step 3: Cross multiply
    61,012.63x = 91,532.85 × 23,572.81
  4. Step 4: Simplify right side
    61,012.63x = 2,157,686,481.81
  5. Step 5: Solve for x
    x = 2,157,686,481.81/61,012.63
  6. Step 6: Final answer
    x = 35,364.59

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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.