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Finding the Fourth Proportional to 40,048,381.90, 56,195,280.50 and 40,048,381.90

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Solution

The fourth proportional to 40,048,381.90, 56,195,280.50 and 40,048,381.90 is: 56,195,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048,381.90 : 56,195,280.50 = 40,048,381.90 : x
  2. Step 2: Convert to fraction form
    40,048,381.90/56,195,280.50 = 40,048,381.90/x
  3. Step 3: Cross multiply
    40,048,381.90x = 56,195,280.50 × 40,048,381.90
  4. Step 4: Simplify right side
    40,048,381.90x = 2,250,530,054,441,622.75
  5. Step 5: Solve for x
    x = 2,250,530,054,441,622.75/40,048,381.90
  6. Step 6: Final answer
    x = 56,195,280.50

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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.