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Finding the Fourth Proportional to 57,152.04, 78,908.34 and 35,674.49

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Solution

The fourth proportional to 57,152.04, 78,908.34 and 35,674.49 is: 49,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.04 : 78,908.34 = 35,674.49 : x
  2. Step 2: Convert to fraction form
    57,152.04/78,908.34 = 35,674.49/x
  3. Step 3: Cross multiply
    57,152.04x = 78,908.34 × 35,674.49
  4. Step 4: Simplify right side
    57,152.04x = 2,815,014,916.63
  5. Step 5: Solve for x
    x = 2,815,014,916.63/57,152.04
  6. Step 6: Final answer
    x = 49,254.85

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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.