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Finding the Fourth Proportional to 7,624.17, 10,521.86 and 4,266.79

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Solution

The fourth proportional to 7,624.17, 10,521.86 and 4,266.79 is: 5,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.17 : 10,521.86 = 4,266.79 : x
  2. Step 2: Convert to fraction form
    7,624.17/10,521.86 = 4,266.79/x
  3. Step 3: Cross multiply
    7,624.17x = 10,521.86 × 4,266.79
  4. Step 4: Simplify right side
    7,624.17x = 44,894,567.03
  5. Step 5: Solve for x
    x = 44,894,567.03/7,624.17
  6. Step 6: Final answer
    x = 5,888.45

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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.