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Finding the Fourth Proportional to 1,064.06, 1,594.04 and 1,047.66

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Solution

The fourth proportional to 1,064.06, 1,594.04 and 1,047.66 is: 1,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.06 : 1,594.04 = 1,047.66 : x
  2. Step 2: Convert to fraction form
    1,064.06/1,594.04 = 1,047.66/x
  3. Step 3: Cross multiply
    1,064.06x = 1,594.04 × 1,047.66
  4. Step 4: Simplify right side
    1,064.06x = 1,670,011.95
  5. Step 5: Solve for x
    x = 1,670,011.95/1,064.06
  6. Step 6: Final answer
    x = 1,569.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.