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Finding the Fourth Proportional to 62,478.95, 86,220.86 and 34,184.63

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Solution

The fourth proportional to 62,478.95, 86,220.86 and 34,184.63 is: 47,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.95 : 86,220.86 = 34,184.63 : x
  2. Step 2: Convert to fraction form
    62,478.95/86,220.86 = 34,184.63/x
  3. Step 3: Cross multiply
    62,478.95x = 86,220.86 × 34,184.63
  4. Step 4: Simplify right side
    62,478.95x = 2,947,428,242.01
  5. Step 5: Solve for x
    x = 2,947,428,242.01/62,478.95
  6. Step 6: Final answer
    x = 47,174.74

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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.