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Finding the Fourth Proportional to 74,693.60, 112,062.16 and 22,104.48

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Solution

The fourth proportional to 74,693.60, 112,062.16 and 22,104.48 is: 33,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.60 : 112,062.16 = 22,104.48 : x
  2. Step 2: Convert to fraction form
    74,693.60/112,062.16 = 22,104.48/x
  3. Step 3: Cross multiply
    74,693.60x = 112,062.16 × 22,104.48
  4. Step 4: Simplify right side
    74,693.60x = 2,477,075,774.48
  5. Step 5: Solve for x
    x = 2,477,075,774.48/74,693.60
  6. Step 6: Final answer
    x = 33,163.16

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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.