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Finding the Fourth Proportional to 8,395.51, 12,582.94 and 3,710.47

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Solution

The fourth proportional to 8,395.51, 12,582.94 and 3,710.47 is: 5,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.51 : 12,582.94 = 3,710.47 : x
  2. Step 2: Convert to fraction form
    8,395.51/12,582.94 = 3,710.47/x
  3. Step 3: Cross multiply
    8,395.51x = 12,582.94 × 3,710.47
  4. Step 4: Simplify right side
    8,395.51x = 46,688,621.38
  5. Step 5: Solve for x
    x = 46,688,621.38/8,395.51
  6. Step 6: Final answer
    x = 5,561.14

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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.