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Finding the Fourth Proportional to 74,675.40, 112,009.42 and 27,924.63

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Solution

The fourth proportional to 74,675.40, 112,009.42 and 27,924.63 is: 41,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.40 : 112,009.42 = 27,924.63 : x
  2. Step 2: Convert to fraction form
    74,675.40/112,009.42 = 27,924.63/x
  3. Step 3: Cross multiply
    74,675.40x = 112,009.42 × 27,924.63
  4. Step 4: Simplify right side
    74,675.40x = 3,127,821,610.01
  5. Step 5: Solve for x
    x = 3,127,821,610.01/74,675.40
  6. Step 6: Final answer
    x = 41,885.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.