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Finding the Fourth Proportional to 14,562.54, 21,808.77 and 8,303.57

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Solution

The fourth proportional to 14,562.54, 21,808.77 and 8,303.57 is: 12,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.54 : 21,808.77 = 8,303.57 : x
  2. Step 2: Convert to fraction form
    14,562.54/21,808.77 = 8,303.57/x
  3. Step 3: Cross multiply
    14,562.54x = 21,808.77 × 8,303.57
  4. Step 4: Simplify right side
    14,562.54x = 181,090,682.07
  5. Step 5: Solve for x
    x = 181,090,682.07/14,562.54
  6. Step 6: Final answer
    x = 12,435.38

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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.