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Finding the Fourth Proportional to 74,572.00, 102,909.38 and 41,038.00

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Solution

The fourth proportional to 74,572.00, 102,909.38 and 41,038.00 is: 56,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.00 : 102,909.38 = 41,038.00 : x
  2. Step 2: Convert to fraction form
    74,572.00/102,909.38 = 41,038.00/x
  3. Step 3: Cross multiply
    74,572.00x = 102,909.38 × 41,038.00
  4. Step 4: Simplify right side
    74,572.00x = 4,223,195,252.45
  5. Step 5: Solve for x
    x = 4,223,195,252.45/74,572.00
  6. Step 6: Final answer
    x = 56,632.45

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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.