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Finding the Fourth Proportional to 6,172,766.24, 8,520,653.40 and 5,024,853.68

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Solution

The fourth proportional to 6,172,766.24, 8,520,653.40 and 5,024,853.68 is: 6,936,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,766.24 : 8,520,653.40 = 5,024,853.68 : x
  2. Step 2: Convert to fraction form
    6,172,766.24/8,520,653.40 = 5,024,853.68/x
  3. Step 3: Cross multiply
    6,172,766.24x = 8,520,653.40 × 5,024,853.68
  4. Step 4: Simplify right side
    6,172,766.24x = 42,815,036,592,994.51
  5. Step 5: Solve for x
    x = 42,815,036,592,994.51/6,172,766.24
  6. Step 6: Final answer
    x = 6,936,118.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.