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Finding the Fourth Proportional to 8,652,283.40, 12,978,425.10 and 8,652,283.40

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Solution

The fourth proportional to 8,652,283.40, 12,978,425.10 and 8,652,283.40 is: 12,978,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652,283.40 : 12,978,425.10 = 8,652,283.40 : x
  2. Step 2: Convert to fraction form
    8,652,283.40/12,978,425.10 = 8,652,283.40/x
  3. Step 3: Cross multiply
    8,652,283.40x = 12,978,425.10 × 8,652,283.40
  4. Step 4: Simplify right side
    8,652,283.40x = 112,293,012,050,873.34
  5. Step 5: Solve for x
    x = 112,293,012,050,873.34/8,652,283.40
  6. Step 6: Final answer
    x = 12,978,425.10

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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.