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Finding the Fourth Proportional to 34,226.20, 47,985.80 and 34,226.20

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Solution

The fourth proportional to 34,226.20, 47,985.80 and 34,226.20 is: 47,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,226.20 : 47,985.80 = 34,226.20 : x
  2. Step 2: Convert to fraction form
    34,226.20/47,985.80 = 34,226.20/x
  3. Step 3: Cross multiply
    34,226.20x = 47,985.80 × 34,226.20
  4. Step 4: Simplify right side
    34,226.20x = 1,642,371,587.96
  5. Step 5: Solve for x
    x = 1,642,371,587.96/34,226.20
  6. Step 6: Final answer
    x = 47,985.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.