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Finding the Fourth Proportional to 1,652.32, 2,476 and 957.36

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Solution

The fourth proportional to 1,652.32, 2,476 and 957.36 is: 1,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.32 : 2,476 = 957.36 : x
  2. Step 2: Convert to fraction form
    1,652.32/2,476 = 957.36/x
  3. Step 3: Cross multiply
    1,652.32x = 2,476 × 957.36
  4. Step 4: Simplify right side
    1,652.32x = 2,370,423.36
  5. Step 5: Solve for x
    x = 2,370,423.36/1,652.32
  6. Step 6: Final answer
    x = 1,434.60

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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.