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Finding the Fourth Proportional to 17,119.64, 25,681.02 and 5,434.58

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Solution

The fourth proportional to 17,119.64, 25,681.02 and 5,434.58 is: 8,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.64 : 25,681.02 = 5,434.58 : x
  2. Step 2: Convert to fraction form
    17,119.64/25,681.02 = 5,434.58/x
  3. Step 3: Cross multiply
    17,119.64x = 25,681.02 × 5,434.58
  4. Step 4: Simplify right side
    17,119.64x = 139,565,557.67
  5. Step 5: Solve for x
    x = 139,565,557.67/17,119.64
  6. Step 6: Final answer
    x = 8,152.37

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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.