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Finding the Fourth Proportional to 48,504, 66,925.44 and 28,356.93

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Solution

The fourth proportional to 48,504, 66,925.44 and 28,356.93 is: 39,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,504 : 66,925.44 = 28,356.93 : x
  2. Step 2: Convert to fraction form
    48,504/66,925.44 = 28,356.93/x
  3. Step 3: Cross multiply
    48,504x = 66,925.44 × 28,356.93
  4. Step 4: Simplify right side
    48,504x = 1,897,800,017.30
  5. Step 5: Solve for x
    x = 1,897,800,017.30/48,504
  6. Step 6: Final answer
    x = 39,126.67

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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.