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Finding the Fourth Proportional to 1,069.02, 1,473.66 and 848.03

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Solution

The fourth proportional to 1,069.02, 1,473.66 and 848.03 is: 1,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.02 : 1,473.66 = 848.03 : x
  2. Step 2: Convert to fraction form
    1,069.02/1,473.66 = 848.03/x
  3. Step 3: Cross multiply
    1,069.02x = 1,473.66 × 848.03
  4. Step 4: Simplify right side
    1,069.02x = 1,249,700.52
  5. Step 5: Solve for x
    x = 1,249,700.52/1,069.02
  6. Step 6: Final answer
    x = 1,169.02

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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.