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Finding the Fourth Proportional to 14,970.54, 20,660.74 and 8,598.02

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Solution

The fourth proportional to 14,970.54, 20,660.74 and 8,598.02 is: 11,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.54 : 20,660.74 = 8,598.02 : x
  2. Step 2: Convert to fraction form
    14,970.54/20,660.74 = 8,598.02/x
  3. Step 3: Cross multiply
    14,970.54x = 20,660.74 × 8,598.02
  4. Step 4: Simplify right side
    14,970.54x = 177,641,455.73
  5. Step 5: Solve for x
    x = 177,641,455.73/14,970.54
  6. Step 6: Final answer
    x = 11,866.07

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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.