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Finding the Fourth Proportional to 1,579.52, 2,368.20 and 848.36

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Solution

The fourth proportional to 1,579.52, 2,368.20 and 848.36 is: 1,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.52 : 2,368.20 = 848.36 : x
  2. Step 2: Convert to fraction form
    1,579.52/2,368.20 = 848.36/x
  3. Step 3: Cross multiply
    1,579.52x = 2,368.20 × 848.36
  4. Step 4: Simplify right side
    1,579.52x = 2,009,086.15
  5. Step 5: Solve for x
    x = 2,009,086.15/1,579.52
  6. Step 6: Final answer
    x = 1,271.96

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1.5x scale

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.