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Finding the Fourth Proportional to 66,346, 99,518.38 and 26,893.74

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Solution

The fourth proportional to 66,346, 99,518.38 and 26,893.74 is: 40,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346 : 99,518.38 = 26,893.74 : x
  2. Step 2: Convert to fraction form
    66,346/99,518.38 = 26,893.74/x
  3. Step 3: Cross multiply
    66,346x = 99,518.38 × 26,893.74
  4. Step 4: Simplify right side
    66,346x = 2,676,421,436.94
  5. Step 5: Solve for x
    x = 2,676,421,436.94/66,346
  6. Step 6: Final answer
    x = 40,340.36

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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.