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Finding the Fourth Proportional to 1,817.14, 2,503.93 and 1,719.10

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Solution

The fourth proportional to 1,817.14, 2,503.93 and 1,719.10 is: 2,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.14 : 2,503.93 = 1,719.10 : x
  2. Step 2: Convert to fraction form
    1,817.14/2,503.93 = 1,719.10/x
  3. Step 3: Cross multiply
    1,817.14x = 2,503.93 × 1,719.10
  4. Step 4: Simplify right side
    1,817.14x = 4,304,506.06
  5. Step 5: Solve for x
    x = 4,304,506.06/1,817.14
  6. Step 6: Final answer
    x = 2,368.84

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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.