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Finding the Fourth Proportional to 7,235.76, 10,844.68 and 4,271.19

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Solution

The fourth proportional to 7,235.76, 10,844.68 and 4,271.19 is: 6,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.76 : 10,844.68 = 4,271.19 : x
  2. Step 2: Convert to fraction form
    7,235.76/10,844.68 = 4,271.19/x
  3. Step 3: Cross multiply
    7,235.76x = 10,844.68 × 4,271.19
  4. Step 4: Simplify right side
    7,235.76x = 46,319,688.77
  5. Step 5: Solve for x
    x = 46,319,688.77/7,235.76
  6. Step 6: Final answer
    x = 6,401.50

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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.