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Finding the Fourth Proportional to 5,988,673.20, 8,983,009.80 and 3,291,956.40

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Solution

The fourth proportional to 5,988,673.20, 8,983,009.80 and 3,291,956.40 is: 4,937,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988,673.20 : 8,983,009.80 = 3,291,956.40 : x
  2. Step 2: Convert to fraction form
    5,988,673.20/8,983,009.80 = 3,291,956.40/x
  3. Step 3: Cross multiply
    5,988,673.20x = 8,983,009.80 × 3,291,956.40
  4. Step 4: Simplify right side
    5,988,673.20x = 29,571,676,602,372.72
  5. Step 5: Solve for x
    x = 29,571,676,602,372.72/5,988,673.20
  6. Step 6: Final answer
    x = 4,937,934.60

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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.