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Finding the Fourth Proportional to 14,644.63, 21,962.67 and 8,403.58

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Solution

The fourth proportional to 14,644.63, 21,962.67 and 8,403.58 is: 12,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.63 : 21,962.67 = 8,403.58 : x
  2. Step 2: Convert to fraction form
    14,644.63/21,962.67 = 8,403.58/x
  3. Step 3: Cross multiply
    14,644.63x = 21,962.67 × 8,403.58
  4. Step 4: Simplify right side
    14,644.63x = 184,565,054.36
  5. Step 5: Solve for x
    x = 184,565,054.36/14,644.63
  6. Step 6: Final answer
    x = 12,602.92

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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.