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Finding the Fourth Proportional to 3,973.40, 5,566.60 and 3,973.40

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Solution

The fourth proportional to 3,973.40, 5,566.60 and 3,973.40 is: 5,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.40 : 5,566.60 = 3,973.40 : x
  2. Step 2: Convert to fraction form
    3,973.40/5,566.60 = 3,973.40/x
  3. Step 3: Cross multiply
    3,973.40x = 5,566.60 × 3,973.40
  4. Step 4: Simplify right side
    3,973.40x = 22,118,328.44
  5. Step 5: Solve for x
    x = 22,118,328.44/3,973.40
  6. Step 6: Final answer
    x = 5,566.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.