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Finding the Fourth Proportional to 1,065.44, 1,588.60 and 1,046

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Solution

The fourth proportional to 1,065.44, 1,588.60 and 1,046 is: 1,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.44 : 1,588.60 = 1,046 : x
  2. Step 2: Convert to fraction form
    1,065.44/1,588.60 = 1,046/x
  3. Step 3: Cross multiply
    1,065.44x = 1,588.60 × 1,046
  4. Step 4: Simplify right side
    1,065.44x = 1,661,675.60
  5. Step 5: Solve for x
    x = 1,661,675.60/1,065.44
  6. Step 6: Final answer
    x = 1,559.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.