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Finding the Fourth Proportional to 62,460.16, 86,170.80 and 39,795.10

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Solution

The fourth proportional to 62,460.16, 86,170.80 and 39,795.10 is: 54,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,460.16 : 86,170.80 = 39,795.10 : x
  2. Step 2: Convert to fraction form
    62,460.16/86,170.80 = 39,795.10/x
  3. Step 3: Cross multiply
    62,460.16x = 86,170.80 × 39,795.10
  4. Step 4: Simplify right side
    62,460.16x = 3,429,175,603.08
  5. Step 5: Solve for x
    x = 3,429,175,603.08/62,460.16
  6. Step 6: Final answer
    x = 54,901.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.