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Finding the Fourth Proportional to 34,477.40, 47,577.02 and 19,370.70

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Solution

The fourth proportional to 34,477.40, 47,577.02 and 19,370.70 is: 26,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,477.40 : 47,577.02 = 19,370.70 : x
  2. Step 2: Convert to fraction form
    34,477.40/47,577.02 = 19,370.70/x
  3. Step 3: Cross multiply
    34,477.40x = 47,577.02 × 19,370.70
  4. Step 4: Simplify right side
    34,477.40x = 921,600,181.31
  5. Step 5: Solve for x
    x = 921,600,181.31/34,477.40
  6. Step 6: Final answer
    x = 26,730.56

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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.