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Finding the Fourth Proportional to 6,590.56, 9,885.84 and 1,973.56

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Solution

The fourth proportional to 6,590.56, 9,885.84 and 1,973.56 is: 2,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.56 : 9,885.84 = 1,973.56 : x
  2. Step 2: Convert to fraction form
    6,590.56/9,885.84 = 1,973.56/x
  3. Step 3: Cross multiply
    6,590.56x = 9,885.84 × 1,973.56
  4. Step 4: Simplify right side
    6,590.56x = 19,510,298.39
  5. Step 5: Solve for x
    x = 19,510,298.39/6,590.56
  6. Step 6: Final answer
    x = 2,960.34

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Double scale
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Similar ratio
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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.