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Finding the Fourth Proportional to 14,779.82, 22,164.97 and 4,916.45

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Solution

The fourth proportional to 14,779.82, 22,164.97 and 4,916.45 is: 7,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.82 : 22,164.97 = 4,916.45 : x
  2. Step 2: Convert to fraction form
    14,779.82/22,164.97 = 4,916.45/x
  3. Step 3: Cross multiply
    14,779.82x = 22,164.97 × 4,916.45
  4. Step 4: Simplify right side
    14,779.82x = 108,972,966.76
  5. Step 5: Solve for x
    x = 108,972,966.76/14,779.82
  6. Step 6: Final answer
    x = 7,373.09

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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.