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Finding the Fourth Proportional to 62,460.10, 93,690.15 and 20,907.10

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Solution

The fourth proportional to 62,460.10, 93,690.15 and 20,907.10 is: 31,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,460.10 : 93,690.15 = 20,907.10 : x
  2. Step 2: Convert to fraction form
    62,460.10/93,690.15 = 20,907.10/x
  3. Step 3: Cross multiply
    62,460.10x = 93,690.15 × 20,907.10
  4. Step 4: Simplify right side
    62,460.10x = 1,958,789,335.07
  5. Step 5: Solve for x
    x = 1,958,789,335.07/62,460.10
  6. Step 6: Final answer
    x = 31,360.65

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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.