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Finding the Fourth Proportional to 61,297.60, 84,590.56 and 34,440.80

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Solution

The fourth proportional to 61,297.60, 84,590.56 and 34,440.80 is: 47,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,297.60 : 84,590.56 = 34,440.80 : x
  2. Step 2: Convert to fraction form
    61,297.60/84,590.56 = 34,440.80/x
  3. Step 3: Cross multiply
    61,297.60x = 84,590.56 × 34,440.80
  4. Step 4: Simplify right side
    61,297.60x = 2,913,366,558.85
  5. Step 5: Solve for x
    x = 2,913,366,558.85/61,297.60
  6. Step 6: Final answer
    x = 47,528.23

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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.