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Finding the Fourth Proportional to 72,893.64, 100,564.02 and 44,550.12

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Solution

The fourth proportional to 72,893.64, 100,564.02 and 44,550.12 is: 61,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893.64 : 100,564.02 = 44,550.12 : x
  2. Step 2: Convert to fraction form
    72,893.64/100,564.02 = 44,550.12/x
  3. Step 3: Cross multiply
    72,893.64x = 100,564.02 × 44,550.12
  4. Step 4: Simplify right side
    72,893.64x = 4,480,139,158.68
  5. Step 5: Solve for x
    x = 4,480,139,158.68/72,893.64
  6. Step 6: Final answer
    x = 61,461.32

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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.