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Finding the Fourth Proportional to 8,699.05, 13,048.10 and 5,367.93

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Solution

The fourth proportional to 8,699.05, 13,048.10 and 5,367.93 is: 8,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.05 : 13,048.10 = 5,367.93 : x
  2. Step 2: Convert to fraction form
    8,699.05/13,048.10 = 5,367.93/x
  3. Step 3: Cross multiply
    8,699.05x = 13,048.10 × 5,367.93
  4. Step 4: Simplify right side
    8,699.05x = 70,041,253.39
  5. Step 5: Solve for x
    x = 70,041,253.39/8,699.05
  6. Step 6: Final answer
    x = 8,051.60

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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.