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Finding the Fourth Proportional to 34,323, 47,360.26 and 19,216.30

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Solution

The fourth proportional to 34,323, 47,360.26 and 19,216.30 is: 26,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,323 : 47,360.26 = 19,216.30 : x
  2. Step 2: Convert to fraction form
    34,323/47,360.26 = 19,216.30/x
  3. Step 3: Cross multiply
    34,323x = 47,360.26 × 19,216.30
  4. Step 4: Simplify right side
    34,323x = 910,088,964.24
  5. Step 5: Solve for x
    x = 910,088,964.24/34,323
  6. Step 6: Final answer
    x = 26,515.43

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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.