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Finding the Fourth Proportional to 36,703.80, 55,055.70 and 10,409.40

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Solution

The fourth proportional to 36,703.80, 55,055.70 and 10,409.40 is: 15,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.80 : 55,055.70 = 10,409.40 : x
  2. Step 2: Convert to fraction form
    36,703.80/55,055.70 = 10,409.40/x
  3. Step 3: Cross multiply
    36,703.80x = 55,055.70 × 10,409.40
  4. Step 4: Simplify right side
    36,703.80x = 573,096,803.58
  5. Step 5: Solve for x
    x = 573,096,803.58/36,703.80
  6. Step 6: Final answer
    x = 15,614.10

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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.