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Finding the Fourth Proportional to 46,768.71, 64,494.70 and 28,859.91

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Solution

The fourth proportional to 46,768.71, 64,494.70 and 28,859.91 is: 39,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,768.71 : 64,494.70 = 28,859.91 : x
  2. Step 2: Convert to fraction form
    46,768.71/64,494.70 = 28,859.91/x
  3. Step 3: Cross multiply
    46,768.71x = 64,494.70 × 28,859.91
  4. Step 4: Simplify right side
    46,768.71x = 1,861,311,237.48
  5. Step 5: Solve for x
    x = 1,861,311,237.48/46,768.71
  6. Step 6: Final answer
    x = 39,798.22

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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.