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Finding the Fourth Proportional to 16,803.60, 25,205.40 and 15,710.10

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Solution

The fourth proportional to 16,803.60, 25,205.40 and 15,710.10 is: 23,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.60 : 25,205.40 = 15,710.10 : x
  2. Step 2: Convert to fraction form
    16,803.60/25,205.40 = 15,710.10/x
  3. Step 3: Cross multiply
    16,803.60x = 25,205.40 × 15,710.10
  4. Step 4: Simplify right side
    16,803.60x = 395,979,354.54
  5. Step 5: Solve for x
    x = 395,979,354.54/16,803.60
  6. Step 6: Final answer
    x = 23,565.15

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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.