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Finding the Fourth Proportional to 7,153.56, 10,726.70 and 3,254.63

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Solution

The fourth proportional to 7,153.56, 10,726.70 and 3,254.63 is: 4,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.56 : 10,726.70 = 3,254.63 : x
  2. Step 2: Convert to fraction form
    7,153.56/10,726.70 = 3,254.63/x
  3. Step 3: Cross multiply
    7,153.56x = 10,726.70 × 3,254.63
  4. Step 4: Simplify right side
    7,153.56x = 34,911,369.71
  5. Step 5: Solve for x
    x = 34,911,369.71/7,153.56
  6. Step 6: Final answer
    x = 4,880.28

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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.