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Finding the Fourth Proportional to 47,712.95, 71,569.41 and 14,880.95

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Solution

The fourth proportional to 47,712.95, 71,569.41 and 14,880.95 is: 22,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.95 : 71,569.41 = 14,880.95 : x
  2. Step 2: Convert to fraction form
    47,712.95/71,569.41 = 14,880.95/x
  3. Step 3: Cross multiply
    47,712.95x = 71,569.41 × 14,880.95
  4. Step 4: Simplify right side
    47,712.95x = 1,065,020,453.89
  5. Step 5: Solve for x
    x = 1,065,020,453.89/47,712.95
  6. Step 6: Final answer
    x = 22,321.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.