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Finding the Fourth Proportional to 1,133.04, 1,699.76 and 700.68

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Solution

The fourth proportional to 1,133.04, 1,699.76 and 700.68 is: 1,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.04 : 1,699.76 = 700.68 : x
  2. Step 2: Convert to fraction form
    1,133.04/1,699.76 = 700.68/x
  3. Step 3: Cross multiply
    1,133.04x = 1,699.76 × 700.68
  4. Step 4: Simplify right side
    1,133.04x = 1,190,987.84
  5. Step 5: Solve for x
    x = 1,190,987.84/1,133.04
  6. Step 6: Final answer
    x = 1,051.14

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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.