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Finding the Fourth Proportional to 1,507.42, 2,080.82 and 1,465.81

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Solution

The fourth proportional to 1,507.42, 2,080.82 and 1,465.81 is: 2,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.42 : 2,080.82 = 1,465.81 : x
  2. Step 2: Convert to fraction form
    1,507.42/2,080.82 = 1,465.81/x
  3. Step 3: Cross multiply
    1,507.42x = 2,080.82 × 1,465.81
  4. Step 4: Simplify right side
    1,507.42x = 3,050,085.23
  5. Step 5: Solve for x
    x = 3,050,085.23/1,507.42
  6. Step 6: Final answer
    x = 2,023.38

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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.