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Finding the Fourth Proportional to 7,070.93, 10,602.36 and 2,913.81

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Solution

The fourth proportional to 7,070.93, 10,602.36 and 2,913.81 is: 4,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.93 : 10,602.36 = 2,913.81 : x
  2. Step 2: Convert to fraction form
    7,070.93/10,602.36 = 2,913.81/x
  3. Step 3: Cross multiply
    7,070.93x = 10,602.36 × 2,913.81
  4. Step 4: Simplify right side
    7,070.93x = 30,893,262.59
  5. Step 5: Solve for x
    x = 30,893,262.59/7,070.93
  6. Step 6: Final answer
    x = 4,369.05

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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.