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Finding the Fourth Proportional to 14,773, 20,386.56 and 8,484.88

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Solution

The fourth proportional to 14,773, 20,386.56 and 8,484.88 is: 11,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773 : 20,386.56 = 8,484.88 : x
  2. Step 2: Convert to fraction form
    14,773/20,386.56 = 8,484.88/x
  3. Step 3: Cross multiply
    14,773x = 20,386.56 × 8,484.88
  4. Step 4: Simplify right side
    14,773x = 172,977,515.21
  5. Step 5: Solve for x
    x = 172,977,515.21/14,773
  6. Step 6: Final answer
    x = 11,709.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.