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Finding the Fourth Proportional to 957.42, 1,432.08 and 895.86

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Solution

The fourth proportional to 957.42, 1,432.08 and 895.86 is: 1,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.42 : 1,432.08 = 895.86 : x
  2. Step 2: Convert to fraction form
    957.42/1,432.08 = 895.86/x
  3. Step 3: Cross multiply
    957.42x = 1,432.08 × 895.86
  4. Step 4: Simplify right side
    957.42x = 1,282,943.19
  5. Step 5: Solve for x
    x = 1,282,943.19/957.42
  6. Step 6: Final answer
    x = 1,340.00

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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.