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Finding the Fourth Proportional to 62,100.54, 85,798.95 and 43,321.50

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Solution

The fourth proportional to 62,100.54, 85,798.95 and 43,321.50 is: 59,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100.54 : 85,798.95 = 43,321.50 : x
  2. Step 2: Convert to fraction form
    62,100.54/85,798.95 = 43,321.50/x
  3. Step 3: Cross multiply
    62,100.54x = 85,798.95 × 43,321.50
  4. Step 4: Simplify right side
    62,100.54x = 3,716,939,212.43
  5. Step 5: Solve for x
    x = 3,716,939,212.43/62,100.54
  6. Step 6: Final answer
    x = 59,853.57

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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.