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Finding the Fourth Proportional to 47,614.56, 65,696.04 and 28,748.04

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Solution

The fourth proportional to 47,614.56, 65,696.04 and 28,748.04 is: 39,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,614.56 : 65,696.04 = 28,748.04 : x
  2. Step 2: Convert to fraction form
    47,614.56/65,696.04 = 28,748.04/x
  3. Step 3: Cross multiply
    47,614.56x = 65,696.04 × 28,748.04
  4. Step 4: Simplify right side
    47,614.56x = 1,888,632,385.76
  5. Step 5: Solve for x
    x = 1,888,632,385.76/47,614.56
  6. Step 6: Final answer
    x = 39,665.02

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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.