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Finding the Fourth Proportional to 7,701.51, 10,671.12 and 7,535.55

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Solution

The fourth proportional to 7,701.51, 10,671.12 and 7,535.55 is: 10,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.51 : 10,671.12 = 7,535.55 : x
  2. Step 2: Convert to fraction form
    7,701.51/10,671.12 = 7,535.55/x
  3. Step 3: Cross multiply
    7,701.51x = 10,671.12 × 7,535.55
  4. Step 4: Simplify right side
    7,701.51x = 80,412,758.32
  5. Step 5: Solve for x
    x = 80,412,758.32/7,701.51
  6. Step 6: Final answer
    x = 10,441.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.