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Finding the Fourth Proportional to 63,814.70, 95,730.78 and 21,683.45

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Solution

The fourth proportional to 63,814.70, 95,730.78 and 21,683.45 is: 32,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,814.70 : 95,730.78 = 21,683.45 : x
  2. Step 2: Convert to fraction form
    63,814.70/95,730.78 = 21,683.45/x
  3. Step 3: Cross multiply
    63,814.70x = 95,730.78 × 21,683.45
  4. Step 4: Simplify right side
    63,814.70x = 2,075,773,581.59
  5. Step 5: Solve for x
    x = 2,075,773,581.59/63,814.70
  6. Step 6: Final answer
    x = 32,528.14

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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.