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Finding the Fourth Proportional to 34,178, 47,168.52 and 19,276.88

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Solution

The fourth proportional to 34,178, 47,168.52 and 19,276.88 is: 26,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,178 : 47,168.52 = 19,276.88 : x
  2. Step 2: Convert to fraction form
    34,178/47,168.52 = 19,276.88/x
  3. Step 3: Cross multiply
    34,178x = 47,168.52 × 19,276.88
  4. Step 4: Simplify right side
    34,178x = 909,261,899.82
  5. Step 5: Solve for x
    x = 909,261,899.82/34,178
  6. Step 6: Final answer
    x = 26,603.72

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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.