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Finding the Fourth Proportional to 47,117.58, 70,676.46 and 11,578.92

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Solution

The fourth proportional to 47,117.58, 70,676.46 and 11,578.92 is: 17,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,117.58 : 70,676.46 = 11,578.92 : x
  2. Step 2: Convert to fraction form
    47,117.58/70,676.46 = 11,578.92/x
  3. Step 3: Cross multiply
    47,117.58x = 70,676.46 × 11,578.92
  4. Step 4: Simplify right side
    47,117.58x = 818,357,076.22
  5. Step 5: Solve for x
    x = 818,357,076.22/47,117.58
  6. Step 6: Final answer
    x = 17,368.40

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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.