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Finding the Fourth Proportional to 50,535, 75,802.50 and 13,599

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Solution

The fourth proportional to 50,535, 75,802.50 and 13,599 is: 20,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,535 : 75,802.50 = 13,599 : x
  2. Step 2: Convert to fraction form
    50,535/75,802.50 = 13,599/x
  3. Step 3: Cross multiply
    50,535x = 75,802.50 × 13,599
  4. Step 4: Simplify right side
    50,535x = 1,030,838,197.50
  5. Step 5: Solve for x
    x = 1,030,838,197.50/50,535
  6. Step 6: Final answer
    x = 20,398.50

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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.