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Finding the Fourth Proportional to 22,898.40, 34,347.48 and 7,315.68

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Solution

The fourth proportional to 22,898.40, 34,347.48 and 7,315.68 is: 10,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,898.40 : 34,347.48 = 7,315.68 : x
  2. Step 2: Convert to fraction form
    22,898.40/34,347.48 = 7,315.68/x
  3. Step 3: Cross multiply
    22,898.40x = 34,347.48 × 7,315.68
  4. Step 4: Simplify right side
    22,898.40x = 251,275,172.49
  5. Step 5: Solve for x
    x = 251,275,172.49/22,898.40
  6. Step 6: Final answer
    x = 10,973.48

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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.