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Finding the Fourth Proportional to 3,567.48, 5,351.36 and 970.40

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Solution

The fourth proportional to 3,567.48, 5,351.36 and 970.40 is: 1,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.48 : 5,351.36 = 970.40 : x
  2. Step 2: Convert to fraction form
    3,567.48/5,351.36 = 970.40/x
  3. Step 3: Cross multiply
    3,567.48x = 5,351.36 × 970.40
  4. Step 4: Simplify right side
    3,567.48x = 5,192,928.14
  5. Step 5: Solve for x
    x = 5,192,928.14/3,567.48
  6. Step 6: Final answer
    x = 1,455.63

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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.