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Finding the Fourth Proportional to 66,590.58, 99,889.71 and 25,037.94

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Solution

The fourth proportional to 66,590.58, 99,889.71 and 25,037.94 is: 37,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,590.58 : 99,889.71 = 25,037.94 : x
  2. Step 2: Convert to fraction form
    66,590.58/99,889.71 = 25,037.94/x
  3. Step 3: Cross multiply
    66,590.58x = 99,889.71 × 25,037.94
  4. Step 4: Simplify right side
    66,590.58x = 2,501,032,565.60
  5. Step 5: Solve for x
    x = 2,501,032,565.60/66,590.58
  6. Step 6: Final answer
    x = 37,558.35

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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.