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Finding the Fourth Proportional to 16,475.54, 22,737.88 and 9,403.02

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Solution

The fourth proportional to 16,475.54, 22,737.88 and 9,403.02 is: 12,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,475.54 : 22,737.88 = 9,403.02 : x
  2. Step 2: Convert to fraction form
    16,475.54/22,737.88 = 9,403.02/x
  3. Step 3: Cross multiply
    16,475.54x = 22,737.88 × 9,403.02
  4. Step 4: Simplify right side
    16,475.54x = 213,804,740.40
  5. Step 5: Solve for x
    x = 213,804,740.40/16,475.54
  6. Step 6: Final answer
    x = 12,977.10

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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.