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Finding the Fourth Proportional to 45,987.84, 68,958.72 and 14,814.72

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Solution

The fourth proportional to 45,987.84, 68,958.72 and 14,814.72 is: 22,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,987.84 : 68,958.72 = 14,814.72 : x
  2. Step 2: Convert to fraction form
    45,987.84/68,958.72 = 14,814.72/x
  3. Step 3: Cross multiply
    45,987.84x = 68,958.72 × 14,814.72
  4. Step 4: Simplify right side
    45,987.84x = 1,021,604,128.36
  5. Step 5: Solve for x
    x = 1,021,604,128.36/45,987.84
  6. Step 6: Final answer
    x = 22,214.66

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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.