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Finding the Fourth Proportional to 3,465.65, 4,782.51 and 1,973.63

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Solution

The fourth proportional to 3,465.65, 4,782.51 and 1,973.63 is: 2,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.65 : 4,782.51 = 1,973.63 : x
  2. Step 2: Convert to fraction form
    3,465.65/4,782.51 = 1,973.63/x
  3. Step 3: Cross multiply
    3,465.65x = 4,782.51 × 1,973.63
  4. Step 4: Simplify right side
    3,465.65x = 9,438,917.17
  5. Step 5: Solve for x
    x = 9,438,917.17/3,465.65
  6. Step 6: Final answer
    x = 2,723.56

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1.5x scale

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.