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Finding the Fourth Proportional to 58,247.80, 80,409.04 and 43,913.45

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Solution

The fourth proportional to 58,247.80, 80,409.04 and 43,913.45 is: 60,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,247.80 : 80,409.04 = 43,913.45 : x
  2. Step 2: Convert to fraction form
    58,247.80/80,409.04 = 43,913.45/x
  3. Step 3: Cross multiply
    58,247.80x = 80,409.04 × 43,913.45
  4. Step 4: Simplify right side
    58,247.80x = 3,531,038,448.83
  5. Step 5: Solve for x
    x = 3,531,038,448.83/58,247.80
  6. Step 6: Final answer
    x = 60,620.98

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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.