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Finding the Fourth Proportional to 1,060.83, 1,464.45 and 706.95

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Solution

The fourth proportional to 1,060.83, 1,464.45 and 706.95 is: 975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.83 : 1,464.45 = 706.95 : x
  2. Step 2: Convert to fraction form
    1,060.83/1,464.45 = 706.95/x
  3. Step 3: Cross multiply
    1,060.83x = 1,464.45 × 706.95
  4. Step 4: Simplify right side
    1,060.83x = 1,035,292.93
  5. Step 5: Solve for x
    x = 1,035,292.93/1,060.83
  6. Step 6: Final answer
    x = 975.93

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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.