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Finding the Fourth Proportional to 19,274.55, 26,598 and 10,776.57

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Solution

The fourth proportional to 19,274.55, 26,598 and 10,776.57 is: 14,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.55 : 26,598 = 10,776.57 : x
  2. Step 2: Convert to fraction form
    19,274.55/26,598 = 10,776.57/x
  3. Step 3: Cross multiply
    19,274.55x = 26,598 × 10,776.57
  4. Step 4: Simplify right side
    19,274.55x = 286,635,208.86
  5. Step 5: Solve for x
    x = 286,635,208.86/19,274.55
  6. Step 6: Final answer
    x = 14,871.18

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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.