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Finding the Fourth Proportional to 7,206.17, 9,944.55 and 4,019.67

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Solution

The fourth proportional to 7,206.17, 9,944.55 and 4,019.67 is: 5,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.17 : 9,944.55 = 4,019.67 : x
  2. Step 2: Convert to fraction form
    7,206.17/9,944.55 = 4,019.67/x
  3. Step 3: Cross multiply
    7,206.17x = 9,944.55 × 4,019.67
  4. Step 4: Simplify right side
    7,206.17x = 39,973,809.30
  5. Step 5: Solve for x
    x = 39,973,809.30/7,206.17
  6. Step 6: Final answer
    x = 5,547.17

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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.