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Finding the Fourth Proportional to 62,091, 93,146.22 and 20,547.72

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Solution

The fourth proportional to 62,091, 93,146.22 and 20,547.72 is: 30,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,091 : 93,146.22 = 20,547.72 : x
  2. Step 2: Convert to fraction form
    62,091/93,146.22 = 20,547.72/x
  3. Step 3: Cross multiply
    62,091x = 93,146.22 × 20,547.72
  4. Step 4: Simplify right side
    62,091x = 1,913,942,447.62
  5. Step 5: Solve for x
    x = 1,913,942,447.62/62,091
  6. Step 6: Final answer
    x = 30,824.80

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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.