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Finding the Fourth Proportional to 30,275,280.05, 45,412,920.08 and 30,275,280.05

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Solution

The fourth proportional to 30,275,280.05, 45,412,920.08 and 30,275,280.05 is: 45,412,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275,280.05 : 45,412,920.08 = 30,275,280.05 : x
  2. Step 2: Convert to fraction form
    30,275,280.05/45,412,920.08 = 30,275,280.05/x
  3. Step 3: Cross multiply
    30,275,280.05x = 45,412,920.08 × 30,275,280.05
  4. Step 4: Simplify right side
    30,275,280.05x = 1,374,888,873,158,892.25
  5. Step 5: Solve for x
    x = 1,374,888,873,158,892.25/30,275,280.05
  6. Step 6: Final answer
    x = 45,412,920.08

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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.