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Finding the Fourth Proportional to 19,102.10, 28,656.04 and 5,955.50

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Solution

The fourth proportional to 19,102.10, 28,656.04 and 5,955.50 is: 8,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.10 : 28,656.04 = 5,955.50 : x
  2. Step 2: Convert to fraction form
    19,102.10/28,656.04 = 5,955.50/x
  3. Step 3: Cross multiply
    19,102.10x = 28,656.04 × 5,955.50
  4. Step 4: Simplify right side
    19,102.10x = 170,661,046.22
  5. Step 5: Solve for x
    x = 170,661,046.22/19,102.10
  6. Step 6: Final answer
    x = 8,934.15

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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.