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Finding the Fourth Proportional to 64,665.99, 89,225.64 and 37,803.24

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Solution

The fourth proportional to 64,665.99, 89,225.64 and 37,803.24 is: 52,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665.99 : 89,225.64 = 37,803.24 : x
  2. Step 2: Convert to fraction form
    64,665.99/89,225.64 = 37,803.24/x
  3. Step 3: Cross multiply
    64,665.99x = 89,225.64 × 37,803.24
  4. Step 4: Simplify right side
    64,665.99x = 3,373,018,283.07
  5. Step 5: Solve for x
    x = 3,373,018,283.07/64,665.99
  6. Step 6: Final answer
    x = 52,160.62

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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.