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Finding the Fourth Proportional to 60,487.68, 83,477.80 and 33,638.88

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Solution

The fourth proportional to 60,487.68, 83,477.80 and 33,638.88 is: 46,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.68 : 83,477.80 = 33,638.88 : x
  2. Step 2: Convert to fraction form
    60,487.68/83,477.80 = 33,638.88/x
  3. Step 3: Cross multiply
    60,487.68x = 83,477.80 × 33,638.88
  4. Step 4: Simplify right side
    60,487.68x = 2,808,099,696.86
  5. Step 5: Solve for x
    x = 2,808,099,696.86/60,487.68
  6. Step 6: Final answer
    x = 46,424.32

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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.