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Finding the Fourth Proportional to 58,391.79, 80,580.93 and 32,898.45

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Solution

The fourth proportional to 58,391.79, 80,580.93 and 32,898.45 is: 45,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,391.79 : 80,580.93 = 32,898.45 : x
  2. Step 2: Convert to fraction form
    58,391.79/80,580.93 = 32,898.45/x
  3. Step 3: Cross multiply
    58,391.79x = 80,580.93 × 32,898.45
  4. Step 4: Simplify right side
    58,391.79x = 2,650,987,696.56
  5. Step 5: Solve for x
    x = 2,650,987,696.56/58,391.79
  6. Step 6: Final answer
    x = 45,400.01

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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.