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Finding the Fourth Proportional to 6,145,215.70, 8,587,358.75 and 6,145,215.70

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Solution

The fourth proportional to 6,145,215.70, 8,587,358.75 and 6,145,215.70 is: 8,587,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,215.70 : 8,587,358.75 = 6,145,215.70 : x
  2. Step 2: Convert to fraction form
    6,145,215.70/8,587,358.75 = 6,145,215.70/x
  3. Step 3: Cross multiply
    6,145,215.70x = 8,587,358.75 × 6,145,215.70
  4. Step 4: Simplify right side
    6,145,215.70x = 52,771,171,812,032.38
  5. Step 5: Solve for x
    x = 52,771,171,812,032.38/6,145,215.70
  6. Step 6: Final answer
    x = 8,587,358.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.