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Finding the Fourth Proportional to 8,383,560.40, 12,575,340.60 and 8,383,560.40

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Solution

The fourth proportional to 8,383,560.40, 12,575,340.60 and 8,383,560.40 is: 12,575,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,560.40 : 12,575,340.60 = 8,383,560.40 : x
  2. Step 2: Convert to fraction form
    8,383,560.40/12,575,340.60 = 8,383,560.40/x
  3. Step 3: Cross multiply
    8,383,560.40x = 12,575,340.60 × 8,383,560.40
  4. Step 4: Simplify right side
    8,383,560.40x = 105,426,127,470,672.23
  5. Step 5: Solve for x
    x = 105,426,127,470,672.23/8,383,560.40
  6. Step 6: Final answer
    x = 12,575,340.60

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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.