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Finding the Fourth Proportional to 3,465.70, 4,782.04 and 1,973.54

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Solution

The fourth proportional to 3,465.70, 4,782.04 and 1,973.54 is: 2,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.70 : 4,782.04 = 1,973.54 : x
  2. Step 2: Convert to fraction form
    3,465.70/4,782.04 = 1,973.54/x
  3. Step 3: Cross multiply
    3,465.70x = 4,782.04 × 1,973.54
  4. Step 4: Simplify right side
    3,465.70x = 9,437,547.22
  5. Step 5: Solve for x
    x = 9,437,547.22/3,465.70
  6. Step 6: Final answer
    x = 2,723.13

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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.