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Finding the Fourth Proportional to 10,984,585.20, 16,476,877.80 and 10,536,687.60

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Solution

The fourth proportional to 10,984,585.20, 16,476,877.80 and 10,536,687.60 is: 15,805,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984,585.20 : 16,476,877.80 = 10,536,687.60 : x
  2. Step 2: Convert to fraction form
    10,984,585.20/16,476,877.80 = 10,536,687.60/x
  3. Step 3: Cross multiply
    10,984,585.20x = 16,476,877.80 × 10,536,687.60
  4. Step 4: Simplify right side
    10,984,585.20x = 173,611,714,001,975.28
  5. Step 5: Solve for x
    x = 173,611,714,001,975.28/10,984,585.20
  6. Step 6: Final answer
    x = 15,805,031.40

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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.