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Finding the Fourth Proportional to 34,045.80, 51,068.70 and 25,297.80

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Solution

The fourth proportional to 34,045.80, 51,068.70 and 25,297.80 is: 37,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.80 : 51,068.70 = 25,297.80 : x
  2. Step 2: Convert to fraction form
    34,045.80/51,068.70 = 25,297.80/x
  3. Step 3: Cross multiply
    34,045.80x = 51,068.70 × 25,297.80
  4. Step 4: Simplify right side
    34,045.80x = 1,291,925,758.86
  5. Step 5: Solve for x
    x = 1,291,925,758.86/34,045.80
  6. Step 6: Final answer
    x = 37,946.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.