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Finding the Fourth Proportional to 5,182,641.63, 7,773,961.54 and 1,770,957.51

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Solution

The fourth proportional to 5,182,641.63, 7,773,961.54 and 1,770,957.51 is: 2,656,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,641.63 : 7,773,961.54 = 1,770,957.51 : x
  2. Step 2: Convert to fraction form
    5,182,641.63/7,773,961.54 = 1,770,957.51/x
  3. Step 3: Cross multiply
    5,182,641.63x = 7,773,961.54 × 1,770,957.51
  4. Step 4: Simplify right side
    5,182,641.63x = 13,767,355,556,502.81
  5. Step 5: Solve for x
    x = 13,767,355,556,502.81/5,182,641.63
  6. Step 6: Final answer
    x = 2,656,435.95

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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.