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Finding the Fourth Proportional to 64,030.80, 96,046.20 and 34,506.30

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Solution

The fourth proportional to 64,030.80, 96,046.20 and 34,506.30 is: 51,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,030.80 : 96,046.20 = 34,506.30 : x
  2. Step 2: Convert to fraction form
    64,030.80/96,046.20 = 34,506.30/x
  3. Step 3: Cross multiply
    64,030.80x = 96,046.20 × 34,506.30
  4. Step 4: Simplify right side
    64,030.80x = 3,314,198,991.06
  5. Step 5: Solve for x
    x = 3,314,198,991.06/64,030.80
  6. Step 6: Final answer
    x = 51,759.45

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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.