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Finding the Fourth Proportional to 74,567.01, 102,900.80 and 40,575.59

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Solution

The fourth proportional to 74,567.01, 102,900.80 and 40,575.59 is: 55,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.01 : 102,900.80 = 40,575.59 : x
  2. Step 2: Convert to fraction form
    74,567.01/102,900.80 = 40,575.59/x
  3. Step 3: Cross multiply
    74,567.01x = 102,900.80 × 40,575.59
  4. Step 4: Simplify right side
    74,567.01x = 4,175,259,954.09
  5. Step 5: Solve for x
    x = 4,175,259,954.09/74,567.01
  6. Step 6: Final answer
    x = 55,993.39

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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.