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Finding the Fourth Proportional to 14,525.71, 20,047.52 and 8,477.93

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Solution

The fourth proportional to 14,525.71, 20,047.52 and 8,477.93 is: 11,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.71 : 20,047.52 = 8,477.93 : x
  2. Step 2: Convert to fraction form
    14,525.71/20,047.52 = 8,477.93/x
  3. Step 3: Cross multiply
    14,525.71x = 20,047.52 × 8,477.93
  4. Step 4: Simplify right side
    14,525.71x = 169,961,542.55
  5. Step 5: Solve for x
    x = 169,961,542.55/14,525.71
  6. Step 6: Final answer
    x = 11,700.74

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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.