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Finding the Fourth Proportional to 16,800.04, 25,200.78 and 9,869.32

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Solution

The fourth proportional to 16,800.04, 25,200.78 and 9,869.32 is: 14,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.04 : 25,200.78 = 9,869.32 : x
  2. Step 2: Convert to fraction form
    16,800.04/25,200.78 = 9,869.32/x
  3. Step 3: Cross multiply
    16,800.04x = 25,200.78 × 9,869.32
  4. Step 4: Simplify right side
    16,800.04x = 248,714,562.07
  5. Step 5: Solve for x
    x = 248,714,562.07/16,800.04
  6. Step 6: Final answer
    x = 14,804.40

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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.