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Finding the Fourth Proportional to 11,167,616.40, 15,655,920.60 and 11,167,616.40

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Solution

The fourth proportional to 11,167,616.40, 15,655,920.60 and 11,167,616.40 is: 15,655,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167,616.40 : 15,655,920.60 = 11,167,616.40 : x
  2. Step 2: Convert to fraction form
    11,167,616.40/15,655,920.60 = 11,167,616.40/x
  3. Step 3: Cross multiply
    11,167,616.40x = 15,655,920.60 × 11,167,616.40
  4. Step 4: Simplify right side
    11,167,616.40x = 174,839,315,649,657.84
  5. Step 5: Solve for x
    x = 174,839,315,649,657.84/11,167,616.40
  6. Step 6: Final answer
    x = 15,655,920.60

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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.