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Finding the Fourth Proportional to 34,176, 47,165.76 and 19,274.88

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Solution

The fourth proportional to 34,176, 47,165.76 and 19,274.88 is: 26,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,176 : 47,165.76 = 19,274.88 : x
  2. Step 2: Convert to fraction form
    34,176/47,165.76 = 19,274.88/x
  3. Step 3: Cross multiply
    34,176x = 47,165.76 × 19,274.88
  4. Step 4: Simplify right side
    34,176x = 909,114,364.11
  5. Step 5: Solve for x
    x = 909,114,364.11/34,176
  6. Step 6: Final answer
    x = 26,600.96

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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.