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Finding the Fourth Proportional to 63,078.40, 94,574.40 and 29,814.40

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Solution

The fourth proportional to 63,078.40, 94,574.40 and 29,814.40 is: 44,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,078.40 : 94,574.40 = 29,814.40 : x
  2. Step 2: Convert to fraction form
    63,078.40/94,574.40 = 29,814.40/x
  3. Step 3: Cross multiply
    63,078.40x = 94,574.40 × 29,814.40
  4. Step 4: Simplify right side
    63,078.40x = 2,819,678,991.36
  5. Step 5: Solve for x
    x = 2,819,678,991.36/63,078.40
  6. Step 6: Final answer
    x = 44,701.18

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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.