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Finding the Fourth Proportional to 34,461.30, 47,553.02 and 19,355.60

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Solution

The fourth proportional to 34,461.30, 47,553.02 and 19,355.60 is: 26,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,461.30 : 47,553.02 = 19,355.60 : x
  2. Step 2: Convert to fraction form
    34,461.30/47,553.02 = 19,355.60/x
  3. Step 3: Cross multiply
    34,461.30x = 47,553.02 × 19,355.60
  4. Step 4: Simplify right side
    34,461.30x = 920,417,233.91
  5. Step 5: Solve for x
    x = 920,417,233.91/34,461.30
  6. Step 6: Final answer
    x = 26,708.72

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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.