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Finding the Fourth Proportional to 1,063.06, 1,585.93 and 1,035.89

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Solution

The fourth proportional to 1,063.06, 1,585.93 and 1,035.89 is: 1,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.06 : 1,585.93 = 1,035.89 : x
  2. Step 2: Convert to fraction form
    1,063.06/1,585.93 = 1,035.89/x
  3. Step 3: Cross multiply
    1,063.06x = 1,585.93 × 1,035.89
  4. Step 4: Simplify right side
    1,063.06x = 1,642,846.40
  5. Step 5: Solve for x
    x = 1,642,846.40/1,063.06
  6. Step 6: Final answer
    x = 1,545.40

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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.