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Finding the Fourth Proportional to 6,225,801.60, 9,340,014.60 and 1,966,400.40

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Solution

The fourth proportional to 6,225,801.60, 9,340,014.60 and 1,966,400.40 is: 2,950,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225,801.60 : 9,340,014.60 = 1,966,400.40 : x
  2. Step 2: Convert to fraction form
    6,225,801.60/9,340,014.60 = 1,966,400.40/x
  3. Step 3: Cross multiply
    6,225,801.60x = 9,340,014.60 × 1,966,400.40
  4. Step 4: Simplify right side
    6,225,801.60x = 18,366,208,445,445.84
  5. Step 5: Solve for x
    x = 18,366,208,445,445.84/6,225,801.60
  6. Step 6: Final answer
    x = 2,950,015.05

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1.5x scale

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.