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Finding the Fourth Proportional to 47,328.60, 70,932.60 and 25,152.60

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Solution

The fourth proportional to 47,328.60, 70,932.60 and 25,152.60 is: 37,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,328.60 : 70,932.60 = 25,152.60 : x
  2. Step 2: Convert to fraction form
    47,328.60/70,932.60 = 25,152.60/x
  3. Step 3: Cross multiply
    47,328.60x = 70,932.60 × 25,152.60
  4. Step 4: Simplify right side
    47,328.60x = 1,784,139,314.76
  5. Step 5: Solve for x
    x = 1,784,139,314.76/47,328.60
  6. Step 6: Final answer
    x = 37,696.85

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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.