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Finding the Fourth Proportional to 52,636.84, 72,637.97 and 28,762.97

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Solution

The fourth proportional to 52,636.84, 72,637.97 and 28,762.97 is: 39,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.84 : 72,637.97 = 28,762.97 : x
  2. Step 2: Convert to fraction form
    52,636.84/72,637.97 = 28,762.97/x
  3. Step 3: Cross multiply
    52,636.84x = 72,637.97 × 28,762.97
  4. Step 4: Simplify right side
    52,636.84x = 2,089,283,244.97
  5. Step 5: Solve for x
    x = 2,089,283,244.97/52,636.84
  6. Step 6: Final answer
    x = 39,692.42

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1.5x scale

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.