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Finding the Fourth Proportional to 64,018.99, 88,352.09 and 35,343.78

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Solution

The fourth proportional to 64,018.99, 88,352.09 and 35,343.78 is: 48,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.99 : 88,352.09 = 35,343.78 : x
  2. Step 2: Convert to fraction form
    64,018.99/88,352.09 = 35,343.78/x
  3. Step 3: Cross multiply
    64,018.99x = 88,352.09 × 35,343.78
  4. Step 4: Simplify right side
    64,018.99x = 3,122,696,831.50
  5. Step 5: Solve for x
    x = 3,122,696,831.50/64,018.99
  6. Step 6: Final answer
    x = 48,777.66

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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.