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Finding the Fourth Proportional to 57,466.49, 86,199.80 and 15,913.49

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Solution

The fourth proportional to 57,466.49, 86,199.80 and 15,913.49 is: 23,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,466.49 : 86,199.80 = 15,913.49 : x
  2. Step 2: Convert to fraction form
    57,466.49/86,199.80 = 15,913.49/x
  3. Step 3: Cross multiply
    57,466.49x = 86,199.80 × 15,913.49
  4. Step 4: Simplify right side
    57,466.49x = 1,371,739,144.74
  5. Step 5: Solve for x
    x = 1,371,739,144.74/57,466.49
  6. Step 6: Final answer
    x = 23,870.25

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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.