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Finding the Fourth Proportional to 1,696.93, 2,545.76 and 586.35

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Solution

The fourth proportional to 1,696.93, 2,545.76 and 586.35 is: 879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.93 : 2,545.76 = 586.35 : x
  2. Step 2: Convert to fraction form
    1,696.93/2,545.76 = 586.35/x
  3. Step 3: Cross multiply
    1,696.93x = 2,545.76 × 586.35
  4. Step 4: Simplify right side
    1,696.93x = 1,492,707.84
  5. Step 5: Solve for x
    x = 1,492,707.84/1,696.93
  6. Step 6: Final answer
    x = 879.65

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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.