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Finding the Fourth Proportional to 7,754.82, 10,701.86 and 4,397.51

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Solution

The fourth proportional to 7,754.82, 10,701.86 and 4,397.51 is: 6,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.82 : 10,701.86 = 4,397.51 : x
  2. Step 2: Convert to fraction form
    7,754.82/10,701.86 = 4,397.51/x
  3. Step 3: Cross multiply
    7,754.82x = 10,701.86 × 4,397.51
  4. Step 4: Simplify right side
    7,754.82x = 47,061,460.87
  5. Step 5: Solve for x
    x = 47,061,460.87/7,754.82
  6. Step 6: Final answer
    x = 6,068.67

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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.