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Finding the Fourth Proportional to 29,551.31, 40,767.95 and 19,466.81

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Solution

The fourth proportional to 29,551.31, 40,767.95 and 19,466.81 is: 26,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.31 : 40,767.95 = 19,466.81 : x
  2. Step 2: Convert to fraction form
    29,551.31/40,767.95 = 19,466.81/x
  3. Step 3: Cross multiply
    29,551.31x = 40,767.95 × 19,466.81
  4. Step 4: Simplify right side
    29,551.31x = 793,621,839.41
  5. Step 5: Solve for x
    x = 793,621,839.41/29,551.31
  6. Step 6: Final answer
    x = 26,855.72

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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.