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Finding the Fourth Proportional to 6,957,000.40, 9,719,894 and 6,957,000.40

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Solution

The fourth proportional to 6,957,000.40, 9,719,894 and 6,957,000.40 is: 9,719,894

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957,000.40 : 9,719,894 = 6,957,000.40 : x
  2. Step 2: Convert to fraction form
    6,957,000.40/9,719,894 = 6,957,000.40/x
  3. Step 3: Cross multiply
    6,957,000.40x = 9,719,894 × 6,957,000.40
  4. Step 4: Simplify right side
    6,957,000.40x = 67,621,306,445,957.60
  5. Step 5: Solve for x
    x = 67,621,306,445,957.60/6,957,000.40
  6. Step 6: Final answer
    x = 9,719,894

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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.