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Finding the Fourth Proportional to 35,274.61, 48,679.86 and 19,358.92

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Solution

The fourth proportional to 35,274.61, 48,679.86 and 19,358.92 is: 26,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,274.61 : 48,679.86 = 19,358.92 : x
  2. Step 2: Convert to fraction form
    35,274.61/48,679.86 = 19,358.92/x
  3. Step 3: Cross multiply
    35,274.61x = 48,679.86 × 19,358.92
  4. Step 4: Simplify right side
    35,274.61x = 942,389,515.35
  5. Step 5: Solve for x
    x = 942,389,515.35/35,274.61
  6. Step 6: Final answer
    x = 26,715.80

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1.5x scale

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.