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Finding the Fourth Proportional to 9,810.76, 14,715.81 and 4,264.10

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Solution

The fourth proportional to 9,810.76, 14,715.81 and 4,264.10 is: 6,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.76 : 14,715.81 = 4,264.10 : x
  2. Step 2: Convert to fraction form
    9,810.76/14,715.81 = 4,264.10/x
  3. Step 3: Cross multiply
    9,810.76x = 14,715.81 × 4,264.10
  4. Step 4: Simplify right side
    9,810.76x = 62,749,685.42
  5. Step 5: Solve for x
    x = 62,749,685.42/9,810.76
  6. Step 6: Final answer
    x = 6,396.01

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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.