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Finding the Fourth Proportional to 29,966.73, 45,012.05 and 28,970.73

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Solution

The fourth proportional to 29,966.73, 45,012.05 and 28,970.73 is: 43,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,966.73 : 45,012.05 = 28,970.73 : x
  2. Step 2: Convert to fraction form
    29,966.73/45,012.05 = 28,970.73/x
  3. Step 3: Cross multiply
    29,966.73x = 45,012.05 × 28,970.73
  4. Step 4: Simplify right side
    29,966.73x = 1,304,031,802.44
  5. Step 5: Solve for x
    x = 1,304,031,802.44/29,966.73
  6. Step 6: Final answer
    x = 43,515.99

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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.