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Finding the Fourth Proportional to 4,842.84, 7,263.12 and 1,555.96

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Solution

The fourth proportional to 4,842.84, 7,263.12 and 1,555.96 is: 2,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.84 : 7,263.12 = 1,555.96 : x
  2. Step 2: Convert to fraction form
    4,842.84/7,263.12 = 1,555.96/x
  3. Step 3: Cross multiply
    4,842.84x = 7,263.12 × 1,555.96
  4. Step 4: Simplify right side
    4,842.84x = 11,301,116.74
  5. Step 5: Solve for x
    x = 11,301,116.74/4,842.84
  6. Step 6: Final answer
    x = 2,333.57

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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.