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Finding the Fourth Proportional to 30,599,561.60, 45,899,342.40 and 10,404,803.60

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Solution

The fourth proportional to 30,599,561.60, 45,899,342.40 and 10,404,803.60 is: 15,607,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599,561.60 : 45,899,342.40 = 10,404,803.60 : x
  2. Step 2: Convert to fraction form
    30,599,561.60/45,899,342.40 = 10,404,803.60/x
  3. Step 3: Cross multiply
    30,599,561.60x = 45,899,342.40 × 10,404,803.60
  4. Step 4: Simplify right side
    30,599,561.60x = 477,573,643,041,152.62
  5. Step 5: Solve for x
    x = 477,573,643,041,152.62/30,599,561.60
  6. Step 6: Final answer
    x = 15,607,205.40

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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.