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Finding the Fourth Proportional to 17,785.58, 24,515.74 and 14,002.74

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Solution

The fourth proportional to 17,785.58, 24,515.74 and 14,002.74 is: 19,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.58 : 24,515.74 = 14,002.74 : x
  2. Step 2: Convert to fraction form
    17,785.58/24,515.74 = 14,002.74/x
  3. Step 3: Cross multiply
    17,785.58x = 24,515.74 × 14,002.74
  4. Step 4: Simplify right side
    17,785.58x = 343,287,533.13
  5. Step 5: Solve for x
    x = 343,287,533.13/17,785.58
  6. Step 6: Final answer
    x = 19,301.45

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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.