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Finding the Fourth Proportional to 957.51, 1,432.44 and 802.53

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Solution

The fourth proportional to 957.51, 1,432.44 and 802.53 is: 1,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.51 : 1,432.44 = 802.53 : x
  2. Step 2: Convert to fraction form
    957.51/1,432.44 = 802.53/x
  3. Step 3: Cross multiply
    957.51x = 1,432.44 × 802.53
  4. Step 4: Simplify right side
    957.51x = 1,149,576.07
  5. Step 5: Solve for x
    x = 1,149,576.07/957.51
  6. Step 6: Final answer
    x = 1,200.59

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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.