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Finding the Fourth Proportional to 14,783.34, 22,179.06 and 7,378.86

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Solution

The fourth proportional to 14,783.34, 22,179.06 and 7,378.86 is: 11,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.34 : 22,179.06 = 7,378.86 : x
  2. Step 2: Convert to fraction form
    14,783.34/22,179.06 = 7,378.86/x
  3. Step 3: Cross multiply
    14,783.34x = 22,179.06 × 7,378.86
  4. Step 4: Simplify right side
    14,783.34x = 163,656,178.67
  5. Step 5: Solve for x
    x = 163,656,178.67/14,783.34
  6. Step 6: Final answer
    x = 11,070.31

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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.