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Finding the Fourth Proportional to 8,468,985.81, 12,696,337.48 and 3,673,062.93

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Solution

The fourth proportional to 8,468,985.81, 12,696,337.48 and 3,673,062.93 is: 5,506,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468,985.81 : 12,696,337.48 = 3,673,062.93 : x
  2. Step 2: Convert to fraction form
    8,468,985.81/12,696,337.48 = 3,673,062.93/x
  3. Step 3: Cross multiply
    8,468,985.81x = 12,696,337.48 × 3,673,062.93
  4. Step 4: Simplify right side
    8,468,985.81x = 46,634,446,544,557.62
  5. Step 5: Solve for x
    x = 46,634,446,544,557.62/8,468,985.81
  6. Step 6: Final answer
    x = 5,506,497.19

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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.