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Finding the Fourth Proportional to 64,263.78, 88,683.98 and 35,969.45

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Solution

The fourth proportional to 64,263.78, 88,683.98 and 35,969.45 is: 49,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,263.78 : 88,683.98 = 35,969.45 : x
  2. Step 2: Convert to fraction form
    64,263.78/88,683.98 = 35,969.45/x
  3. Step 3: Cross multiply
    64,263.78x = 88,683.98 × 35,969.45
  4. Step 4: Simplify right side
    64,263.78x = 3,189,913,361.14
  5. Step 5: Solve for x
    x = 3,189,913,361.14/64,263.78
  6. Step 6: Final answer
    x = 49,637.81

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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.