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Finding the Fourth Proportional to 59,295.47, 81,835.20 and 38,894.67

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Solution

The fourth proportional to 59,295.47, 81,835.20 and 38,894.67 is: 53,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,295.47 : 81,835.20 = 38,894.67 : x
  2. Step 2: Convert to fraction form
    59,295.47/81,835.20 = 38,894.67/x
  3. Step 3: Cross multiply
    59,295.47x = 81,835.20 × 38,894.67
  4. Step 4: Simplify right side
    59,295.47x = 3,182,953,098.38
  5. Step 5: Solve for x
    x = 3,182,953,098.38/59,295.47
  6. Step 6: Final answer
    x = 53,679.54

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1.5x scale

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.