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Finding the Fourth Proportional to 1,396.14, 2,094.01 and 530.25

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Solution

The fourth proportional to 1,396.14, 2,094.01 and 530.25 is: 795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.14 : 2,094.01 = 530.25 : x
  2. Step 2: Convert to fraction form
    1,396.14/2,094.01 = 530.25/x
  3. Step 3: Cross multiply
    1,396.14x = 2,094.01 × 530.25
  4. Step 4: Simplify right side
    1,396.14x = 1,110,347.48
  5. Step 5: Solve for x
    x = 1,110,347.48/1,396.14
  6. Step 6: Final answer
    x = 795.30

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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.