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Finding the Fourth Proportional to 3,572.44, 5,358.30 and 975.34

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Solution

The fourth proportional to 3,572.44, 5,358.30 and 975.34 is: 1,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.44 : 5,358.30 = 975.34 : x
  2. Step 2: Convert to fraction form
    3,572.44/5,358.30 = 975.34/x
  3. Step 3: Cross multiply
    3,572.44x = 5,358.30 × 975.34
  4. Step 4: Simplify right side
    3,572.44x = 5,226,164.32
  5. Step 5: Solve for x
    x = 5,226,164.32/3,572.44
  6. Step 6: Final answer
    x = 1,462.91

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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.