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Finding the Fourth Proportional to 5,809.80, 8,011.63 and 4,973.28

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Solution

The fourth proportional to 5,809.80, 8,011.63 and 4,973.28 is: 6,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.80 : 8,011.63 = 4,973.28 : x
  2. Step 2: Convert to fraction form
    5,809.80/8,011.63 = 4,973.28/x
  3. Step 3: Cross multiply
    5,809.80x = 8,011.63 × 4,973.28
  4. Step 4: Simplify right side
    5,809.80x = 39,844,079.25
  5. Step 5: Solve for x
    x = 39,844,079.25/5,809.80
  6. Step 6: Final answer
    x = 6,858.08

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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.