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Finding the Fourth Proportional to 58,358.59, 80,572.10 and 47,629.09

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Solution

The fourth proportional to 58,358.59, 80,572.10 and 47,629.09 is: 65,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,358.59 : 80,572.10 = 47,629.09 : x
  2. Step 2: Convert to fraction form
    58,358.59/80,572.10 = 47,629.09/x
  3. Step 3: Cross multiply
    58,358.59x = 80,572.10 × 47,629.09
  4. Step 4: Simplify right side
    58,358.59x = 3,837,575,802.39
  5. Step 5: Solve for x
    x = 3,837,575,802.39/58,358.59
  6. Step 6: Final answer
    x = 65,758.54

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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.