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Finding the Fourth Proportional to 1,160.04, 1,599.42 and 766.44

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Solution

The fourth proportional to 1,160.04, 1,599.42 and 766.44 is: 1,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.04 : 1,599.42 = 766.44 : x
  2. Step 2: Convert to fraction form
    1,160.04/1,599.42 = 766.44/x
  3. Step 3: Cross multiply
    1,160.04x = 1,599.42 × 766.44
  4. Step 4: Simplify right side
    1,160.04x = 1,225,859.46
  5. Step 5: Solve for x
    x = 1,225,859.46/1,160.04
  6. Step 6: Final answer
    x = 1,056.74

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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.