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Finding the Fourth Proportional to 18,436,025.70, 27,654,038.55 and 18,436,025.70

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Solution

The fourth proportional to 18,436,025.70, 27,654,038.55 and 18,436,025.70 is: 27,654,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,025.70 : 27,654,038.55 = 18,436,025.70 : x
  2. Step 2: Convert to fraction form
    18,436,025.70/27,654,038.55 = 18,436,025.70/x
  3. Step 3: Cross multiply
    18,436,025.70x = 27,654,038.55 × 18,436,025.70
  4. Step 4: Simplify right side
    18,436,025.70x = 509,830,565,416,590.75
  5. Step 5: Solve for x
    x = 509,830,565,416,590.75/18,436,025.70
  6. Step 6: Final answer
    x = 27,654,038.55

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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.