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Finding the Fourth Proportional to 51,248.40, 70,695.90 and 41,698.95

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Solution

The fourth proportional to 51,248.40, 70,695.90 and 41,698.95 is: 57,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.40 : 70,695.90 = 41,698.95 : x
  2. Step 2: Convert to fraction form
    51,248.40/70,695.90 = 41,698.95/x
  3. Step 3: Cross multiply
    51,248.40x = 70,695.90 × 41,698.95
  4. Step 4: Simplify right side
    51,248.40x = 2,947,944,799.31
  5. Step 5: Solve for x
    x = 2,947,944,799.31/51,248.40
  6. Step 6: Final answer
    x = 57,522.67

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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.