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Finding the Fourth Proportional to 4,842.66, 7,263.90 and 1,510.95

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Solution

The fourth proportional to 4,842.66, 7,263.90 and 1,510.95 is: 2,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.66 : 7,263.90 = 1,510.95 : x
  2. Step 2: Convert to fraction form
    4,842.66/7,263.90 = 1,510.95/x
  3. Step 3: Cross multiply
    4,842.66x = 7,263.90 × 1,510.95
  4. Step 4: Simplify right side
    4,842.66x = 10,975,389.71
  5. Step 5: Solve for x
    x = 10,975,389.71/4,842.66
  6. Step 6: Final answer
    x = 2,266.40

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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.