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Finding the Fourth Proportional to 29,297.80, 40,430.10 and 16,551.58

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Solution

The fourth proportional to 29,297.80, 40,430.10 and 16,551.58 is: 22,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297.80 : 40,430.10 = 16,551.58 : x
  2. Step 2: Convert to fraction form
    29,297.80/40,430.10 = 16,551.58/x
  3. Step 3: Cross multiply
    29,297.80x = 40,430.10 × 16,551.58
  4. Step 4: Simplify right side
    29,297.80x = 669,182,034.56
  5. Step 5: Solve for x
    x = 669,182,034.56/29,297.80
  6. Step 6: Final answer
    x = 22,840.69

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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.