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Finding the Fourth Proportional to 40,258,847.70, 60,388,271.55 and 9,966,710.70

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Solution

The fourth proportional to 40,258,847.70, 60,388,271.55 and 9,966,710.70 is: 14,950,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,258,847.70 : 60,388,271.55 = 9,966,710.70 : x
  2. Step 2: Convert to fraction form
    40,258,847.70/60,388,271.55 = 9,966,710.70/x
  3. Step 3: Cross multiply
    40,258,847.70x = 60,388,271.55 × 9,966,710.70
  4. Step 4: Simplify right side
    40,258,847.70x = 601,872,432,211,890.50
  5. Step 5: Solve for x
    x = 601,872,432,211,890.50/40,258,847.70
  6. Step 6: Final answer
    x = 14,950,066.05

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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.