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Finding the Fourth Proportional to 2,555.14, 3,526.14 and 1,436.14

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Solution

The fourth proportional to 2,555.14, 3,526.14 and 1,436.14 is: 1,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.14 : 3,526.14 = 1,436.14 : x
  2. Step 2: Convert to fraction form
    2,555.14/3,526.14 = 1,436.14/x
  3. Step 3: Cross multiply
    2,555.14x = 3,526.14 × 1,436.14
  4. Step 4: Simplify right side
    2,555.14x = 5,064,030.70
  5. Step 5: Solve for x
    x = 5,064,030.70/2,555.14
  6. Step 6: Final answer
    x = 1,981.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.