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Finding the Fourth Proportional to 74,674.40, 112,009.20 and 24,756.80

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Solution

The fourth proportional to 74,674.40, 112,009.20 and 24,756.80 is: 37,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674.40 : 112,009.20 = 24,756.80 : x
  2. Step 2: Convert to fraction form
    74,674.40/112,009.20 = 24,756.80/x
  3. Step 3: Cross multiply
    74,674.40x = 112,009.20 × 24,756.80
  4. Step 4: Simplify right side
    74,674.40x = 2,772,989,362.56
  5. Step 5: Solve for x
    x = 2,772,989,362.56/74,674.40
  6. Step 6: Final answer
    x = 37,134.40

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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.