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Finding the Fourth Proportional to 60,647.40, 83,683.44 and 33,783.84

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Solution

The fourth proportional to 60,647.40, 83,683.44 and 33,783.84 is: 46,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,647.40 : 83,683.44 = 33,783.84 : x
  2. Step 2: Convert to fraction form
    60,647.40/83,683.44 = 33,783.84/x
  3. Step 3: Cross multiply
    60,647.40x = 83,683.44 × 33,783.84
  4. Step 4: Simplify right side
    60,647.40x = 2,827,147,947.61
  5. Step 5: Solve for x
    x = 2,827,147,947.61/60,647.40
  6. Step 6: Final answer
    x = 46,616.14

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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.