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Finding the Fourth Proportional to 10,597.51, 15,893.21 and 4,272.39

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Solution

The fourth proportional to 10,597.51, 15,893.21 and 4,272.39 is: 6,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,597.51 : 15,893.21 = 4,272.39 : x
  2. Step 2: Convert to fraction form
    10,597.51/15,893.21 = 4,272.39/x
  3. Step 3: Cross multiply
    10,597.51x = 15,893.21 × 4,272.39
  4. Step 4: Simplify right side
    10,597.51x = 67,902,002.15
  5. Step 5: Solve for x
    x = 67,902,002.15/10,597.51
  6. Step 6: Final answer
    x = 6,407.35

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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.