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Finding the Fourth Proportional to 28,070.04, 38,734.02 and 17,451.48

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Solution

The fourth proportional to 28,070.04, 38,734.02 and 17,451.48 is: 24,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.04 : 38,734.02 = 17,451.48 : x
  2. Step 2: Convert to fraction form
    28,070.04/38,734.02 = 17,451.48/x
  3. Step 3: Cross multiply
    28,070.04x = 38,734.02 × 17,451.48
  4. Step 4: Simplify right side
    28,070.04x = 675,965,975.35
  5. Step 5: Solve for x
    x = 675,965,975.35/28,070.04
  6. Step 6: Final answer
    x = 24,081.40

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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.