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Finding the Fourth Proportional to 64,950.04, 89,632.74 and 36,656.20

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Solution

The fourth proportional to 64,950.04, 89,632.74 and 36,656.20 is: 50,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950.04 : 89,632.74 = 36,656.20 : x
  2. Step 2: Convert to fraction form
    64,950.04/89,632.74 = 36,656.20/x
  3. Step 3: Cross multiply
    64,950.04x = 89,632.74 × 36,656.20
  4. Step 4: Simplify right side
    64,950.04x = 3,285,595,643.99
  5. Step 5: Solve for x
    x = 3,285,595,643.99/64,950.04
  6. Step 6: Final answer
    x = 50,586.51

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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.