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Finding the Fourth Proportional to 5,661.24, 7,812.08 and 3,303.08

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Solution

The fourth proportional to 5,661.24, 7,812.08 and 3,303.08 is: 4,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.24 : 7,812.08 = 3,303.08 : x
  2. Step 2: Convert to fraction form
    5,661.24/7,812.08 = 3,303.08/x
  3. Step 3: Cross multiply
    5,661.24x = 7,812.08 × 3,303.08
  4. Step 4: Simplify right side
    5,661.24x = 25,803,925.21
  5. Step 5: Solve for x
    x = 25,803,925.21/5,661.24
  6. Step 6: Final answer
    x = 4,558.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.