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Finding the Fourth Proportional to 1,957.10, 2,935.62 and 476.34

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Solution

The fourth proportional to 1,957.10, 2,935.62 and 476.34 is: 714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.10 : 2,935.62 = 476.34 : x
  2. Step 2: Convert to fraction form
    1,957.10/2,935.62 = 476.34/x
  3. Step 3: Cross multiply
    1,957.10x = 2,935.62 × 476.34
  4. Step 4: Simplify right side
    1,957.10x = 1,398,353.23
  5. Step 5: Solve for x
    x = 1,398,353.23/1,957.10
  6. Step 6: Final answer
    x = 714.50

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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.