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Finding the Fourth Proportional to 7,070.76, 10,597.62 and 2,905.14

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Solution

The fourth proportional to 7,070.76, 10,597.62 and 2,905.14 is: 4,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.76 : 10,597.62 = 2,905.14 : x
  2. Step 2: Convert to fraction form
    7,070.76/10,597.62 = 2,905.14/x
  3. Step 3: Cross multiply
    7,070.76x = 10,597.62 × 2,905.14
  4. Step 4: Simplify right side
    7,070.76x = 30,787,569.77
  5. Step 5: Solve for x
    x = 30,787,569.77/7,070.76
  6. Step 6: Final answer
    x = 4,354.21

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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.