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Finding the Fourth Proportional to 17,225,461.20, 25,838,191.80 and 12,123,627.60

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Solution

The fourth proportional to 17,225,461.20, 25,838,191.80 and 12,123,627.60 is: 18,185,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225,461.20 : 25,838,191.80 = 12,123,627.60 : x
  2. Step 2: Convert to fraction form
    17,225,461.20/25,838,191.80 = 12,123,627.60/x
  3. Step 3: Cross multiply
    17,225,461.20x = 25,838,191.80 × 12,123,627.60
  4. Step 4: Simplify right side
    17,225,461.20x = 313,252,615,240,573.69
  5. Step 5: Solve for x
    x = 313,252,615,240,573.69/17,225,461.20
  6. Step 6: Final answer
    x = 18,185,441.40

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1.5x scale

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.