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Finding the Fourth Proportional to 36,886,903.80, 55,363,816.80 and 18,703,748.40

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Solution

The fourth proportional to 36,886,903.80, 55,363,816.80 and 18,703,748.40 is: 28,072,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886,903.80 : 55,363,816.80 = 18,703,748.40 : x
  2. Step 2: Convert to fraction form
    36,886,903.80/55,363,816.80 = 18,703,748.40/x
  3. Step 3: Cross multiply
    36,886,903.80x = 55,363,816.80 × 18,703,748.40
  4. Step 4: Simplify right side
    36,886,903.80x = 1,035,510,899,890,893
  5. Step 5: Solve for x
    x = 1,035,510,899,890,893/36,886,903.80
  6. Step 6: Final answer
    x = 28,072,589.27

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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.