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Finding the Fourth Proportional to 74,575.55, 102,914.25 and 41,041.55

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Solution

The fourth proportional to 74,575.55, 102,914.25 and 41,041.55 is: 56,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.55 : 102,914.25 = 41,041.55 : x
  2. Step 2: Convert to fraction form
    74,575.55/102,914.25 = 41,041.55/x
  3. Step 3: Cross multiply
    74,575.55x = 102,914.25 × 41,041.55
  4. Step 4: Simplify right side
    74,575.55x = 4,223,759,822.52
  5. Step 5: Solve for x
    x = 4,223,759,822.52/74,575.55
  6. Step 6: Final answer
    x = 56,637.33

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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.