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Finding the Fourth Proportional to 46,900.62, 64,721.34 and 25,678.62

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Solution

The fourth proportional to 46,900.62, 64,721.34 and 25,678.62 is: 35,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,900.62 : 64,721.34 = 25,678.62 : x
  2. Step 2: Convert to fraction form
    46,900.62/64,721.34 = 25,678.62/x
  3. Step 3: Cross multiply
    46,900.62x = 64,721.34 × 25,678.62
  4. Step 4: Simplify right side
    46,900.62x = 1,661,954,695.75
  5. Step 5: Solve for x
    x = 1,661,954,695.75/46,900.62
  6. Step 6: Final answer
    x = 35,435.67

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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.