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Finding the Fourth Proportional to 10,890,573.60, 16,335,860.40 and 4,498,701.60

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Solution

The fourth proportional to 10,890,573.60, 16,335,860.40 and 4,498,701.60 is: 6,748,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,573.60 : 16,335,860.40 = 4,498,701.60 : x
  2. Step 2: Convert to fraction form
    10,890,573.60/16,335,860.40 = 4,498,701.60/x
  3. Step 3: Cross multiply
    10,890,573.60x = 16,335,860.40 × 4,498,701.60
  4. Step 4: Simplify right side
    10,890,573.60x = 73,490,161,318,856.64
  5. Step 5: Solve for x
    x = 73,490,161,318,856.64/10,890,573.60
  6. Step 6: Final answer
    x = 6,748,052.40

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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.