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Finding the Fourth Proportional to 30,894.01, 45,943.55 and 29,909.86

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Solution

The fourth proportional to 30,894.01, 45,943.55 and 29,909.86 is: 44,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,894.01 : 45,943.55 = 29,909.86 : x
  2. Step 2: Convert to fraction form
    30,894.01/45,943.55 = 29,909.86/x
  3. Step 3: Cross multiply
    30,894.01x = 45,943.55 × 29,909.86
  4. Step 4: Simplify right side
    30,894.01x = 1,374,165,148.40
  5. Step 5: Solve for x
    x = 1,374,165,148.40/30,894.01
  6. Step 6: Final answer
    x = 44,479.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.