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Finding the Fourth Proportional to 1,060.76, 1,464.36 and 707.27

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Solution

The fourth proportional to 1,060.76, 1,464.36 and 707.27 is: 976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.76 : 1,464.36 = 707.27 : x
  2. Step 2: Convert to fraction form
    1,060.76/1,464.36 = 707.27/x
  3. Step 3: Cross multiply
    1,060.76x = 1,464.36 × 707.27
  4. Step 4: Simplify right side
    1,060.76x = 1,035,697.90
  5. Step 5: Solve for x
    x = 1,035,697.90/1,060.76
  6. Step 6: Final answer
    x = 976.37

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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.