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Finding the Fourth Proportional to 5,809.55, 8,011.28 and 4,973.03

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Solution

The fourth proportional to 5,809.55, 8,011.28 and 4,973.03 is: 6,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.55 : 8,011.28 = 4,973.03 : x
  2. Step 2: Convert to fraction form
    5,809.55/8,011.28 = 4,973.03/x
  3. Step 3: Cross multiply
    5,809.55x = 8,011.28 × 4,973.03
  4. Step 4: Simplify right side
    5,809.55x = 39,840,308.15
  5. Step 5: Solve for x
    x = 39,840,308.15/5,809.55
  6. Step 6: Final answer
    x = 6,857.72

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1.5x scale

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.