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Finding the Fourth Proportional to 7,358.10, 11,037.15 and 6,551.70

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Solution

The fourth proportional to 7,358.10, 11,037.15 and 6,551.70 is: 9,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.10 : 11,037.15 = 6,551.70 : x
  2. Step 2: Convert to fraction form
    7,358.10/11,037.15 = 6,551.70/x
  3. Step 3: Cross multiply
    7,358.10x = 11,037.15 × 6,551.70
  4. Step 4: Simplify right side
    7,358.10x = 72,312,095.66
  5. Step 5: Solve for x
    x = 72,312,095.66/7,358.10
  6. Step 6: Final answer
    x = 9,827.55

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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.