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Finding the Fourth Proportional to 18,152,418.20, 25,477,158.40 and 18,152,418.20

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Solution

The fourth proportional to 18,152,418.20, 25,477,158.40 and 18,152,418.20 is: 25,477,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,418.20 : 25,477,158.40 = 18,152,418.20 : x
  2. Step 2: Convert to fraction form
    18,152,418.20/25,477,158.40 = 18,152,418.20/x
  3. Step 3: Cross multiply
    18,152,418.20x = 25,477,158.40 × 18,152,418.20
  4. Step 4: Simplify right side
    18,152,418.20x = 462,472,033,824,442.81
  5. Step 5: Solve for x
    x = 462,472,033,824,442.81/18,152,418.20
  6. Step 6: Final answer
    x = 25,477,158.40

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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.