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Finding the Fourth Proportional to 3,696.54, 5,547.63 and 1,358.76

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Solution

The fourth proportional to 3,696.54, 5,547.63 and 1,358.76 is: 2,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.54 : 5,547.63 = 1,358.76 : x
  2. Step 2: Convert to fraction form
    3,696.54/5,547.63 = 1,358.76/x
  3. Step 3: Cross multiply
    3,696.54x = 5,547.63 × 1,358.76
  4. Step 4: Simplify right side
    3,696.54x = 7,537,897.74
  5. Step 5: Solve for x
    x = 7,537,897.74/3,696.54
  6. Step 6: Final answer
    x = 2,039.18

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1.5x scale

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.