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Finding the Fourth Proportional to 4,310, 6,465.96 and 1,574

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Solution

The fourth proportional to 4,310, 6,465.96 and 1,574 is: 2,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310 : 6,465.96 = 1,574 : x
  2. Step 2: Convert to fraction form
    4,310/6,465.96 = 1,574/x
  3. Step 3: Cross multiply
    4,310x = 6,465.96 × 1,574
  4. Step 4: Simplify right side
    4,310x = 10,177,421.04
  5. Step 5: Solve for x
    x = 10,177,421.04/4,310
  6. Step 6: Final answer
    x = 2,361.35

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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.