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Finding the Fourth Proportional to 35,283.84, 48,692.72 and 19,369.32

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Solution

The fourth proportional to 35,283.84, 48,692.72 and 19,369.32 is: 26,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,283.84 : 48,692.72 = 19,369.32 : x
  2. Step 2: Convert to fraction form
    35,283.84/48,692.72 = 19,369.32/x
  3. Step 3: Cross multiply
    35,283.84x = 48,692.72 × 19,369.32
  4. Step 4: Simplify right side
    35,283.84x = 943,144,875.35
  5. Step 5: Solve for x
    x = 943,144,875.35/35,283.84
  6. Step 6: Final answer
    x = 26,730.22

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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.