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Finding the Fourth Proportional to 1,527.13, 2,107.52 and 967.39

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Solution

The fourth proportional to 1,527.13, 2,107.52 and 967.39 is: 1,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.13 : 2,107.52 = 967.39 : x
  2. Step 2: Convert to fraction form
    1,527.13/2,107.52 = 967.39/x
  3. Step 3: Cross multiply
    1,527.13x = 2,107.52 × 967.39
  4. Step 4: Simplify right side
    1,527.13x = 2,038,793.77
  5. Step 5: Solve for x
    x = 2,038,793.77/1,527.13
  6. Step 6: Final answer
    x = 1,335.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.