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Finding the Fourth Proportional to 5,687,653.60, 7,849,055.28 and 3,396,014.56

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Solution

The fourth proportional to 5,687,653.60, 7,849,055.28 and 3,396,014.56 is: 4,686,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687,653.60 : 7,849,055.28 = 3,396,014.56 : x
  2. Step 2: Convert to fraction form
    5,687,653.60/7,849,055.28 = 3,396,014.56/x
  3. Step 3: Cross multiply
    5,687,653.60x = 7,849,055.28 × 3,396,014.56
  4. Step 4: Simplify right side
    5,687,653.60x = 26,655,506,013,124.88
  5. Step 5: Solve for x
    x = 26,655,506,013,124.88/5,687,653.60
  6. Step 6: Final answer
    x = 4,686,555.81

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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.