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Finding the Fourth Proportional to 24,368.68, 33,629.34 and 13,758.40

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Solution

The fourth proportional to 24,368.68, 33,629.34 and 13,758.40 is: 18,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,368.68 : 33,629.34 = 13,758.40 : x
  2. Step 2: Convert to fraction form
    24,368.68/33,629.34 = 13,758.40/x
  3. Step 3: Cross multiply
    24,368.68x = 33,629.34 × 13,758.40
  4. Step 4: Simplify right side
    24,368.68x = 462,685,911.46
  5. Step 5: Solve for x
    x = 462,685,911.46/24,368.68
  6. Step 6: Final answer
    x = 18,986.91

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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.