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Finding the Fourth Proportional to 57,526.56, 86,289.12 and 15,973.20

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Solution

The fourth proportional to 57,526.56, 86,289.12 and 15,973.20 is: 23,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,526.56 : 86,289.12 = 15,973.20 : x
  2. Step 2: Convert to fraction form
    57,526.56/86,289.12 = 15,973.20/x
  3. Step 3: Cross multiply
    57,526.56x = 86,289.12 × 15,973.20
  4. Step 4: Simplify right side
    57,526.56x = 1,378,313,371.58
  5. Step 5: Solve for x
    x = 1,378,313,371.58/57,526.56
  6. Step 6: Final answer
    x = 23,959.60

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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.