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Finding the Fourth Proportional to 16,827,809.70, 25,241,714.55 and 10,445,268.90

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Solution

The fourth proportional to 16,827,809.70, 25,241,714.55 and 10,445,268.90 is: 15,667,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827,809.70 : 25,241,714.55 = 10,445,268.90 : x
  2. Step 2: Convert to fraction form
    16,827,809.70/25,241,714.55 = 10,445,268.90/x
  3. Step 3: Cross multiply
    16,827,809.70x = 25,241,714.55 × 10,445,268.90
  4. Step 4: Simplify right side
    16,827,809.70x = 263,656,495,971,792.50
  5. Step 5: Solve for x
    x = 263,656,495,971,792.50/16,827,809.70
  6. Step 6: Final answer
    x = 15,667,903.35

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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.