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Finding the Fourth Proportional to 15,089.78, 22,637.05 and 4,558.49

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Solution

The fourth proportional to 15,089.78, 22,637.05 and 4,558.49 is: 6,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089.78 : 22,637.05 = 4,558.49 : x
  2. Step 2: Convert to fraction form
    15,089.78/22,637.05 = 4,558.49/x
  3. Step 3: Cross multiply
    15,089.78x = 22,637.05 × 4,558.49
  4. Step 4: Simplify right side
    15,089.78x = 103,190,630.08
  5. Step 5: Solve for x
    x = 103,190,630.08/15,089.78
  6. Step 6: Final answer
    x = 6,838.45

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1.5x scale

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.