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Finding the Fourth Proportional to 5,655.51, 8,483.13 and 1,957.51

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Solution

The fourth proportional to 5,655.51, 8,483.13 and 1,957.51 is: 2,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.51 : 8,483.13 = 1,957.51 : x
  2. Step 2: Convert to fraction form
    5,655.51/8,483.13 = 1,957.51/x
  3. Step 3: Cross multiply
    5,655.51x = 8,483.13 × 1,957.51
  4. Step 4: Simplify right side
    5,655.51x = 16,605,811.81
  5. Step 5: Solve for x
    x = 16,605,811.81/5,655.51
  6. Step 6: Final answer
    x = 2,936.22

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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.