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Finding the Fourth Proportional to 58,430.54, 80,627.72 and 35,775.24

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Solution

The fourth proportional to 58,430.54, 80,627.72 and 35,775.24 is: 49,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,430.54 : 80,627.72 = 35,775.24 : x
  2. Step 2: Convert to fraction form
    58,430.54/80,627.72 = 35,775.24/x
  3. Step 3: Cross multiply
    58,430.54x = 80,627.72 × 35,775.24
  4. Step 4: Simplify right side
    58,430.54x = 2,884,476,033.65
  5. Step 5: Solve for x
    x = 2,884,476,033.65/58,430.54
  6. Step 6: Final answer
    x = 49,365.90

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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.