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Finding the Fourth Proportional to 70,857.04, 97,787.14 and 39,025.93

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Solution

The fourth proportional to 70,857.04, 97,787.14 and 39,025.93 is: 53,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,857.04 : 97,787.14 = 39,025.93 : x
  2. Step 2: Convert to fraction form
    70,857.04/97,787.14 = 39,025.93/x
  3. Step 3: Cross multiply
    70,857.04x = 97,787.14 × 39,025.93
  4. Step 4: Simplify right side
    70,857.04x = 3,816,234,080.54
  5. Step 5: Solve for x
    x = 3,816,234,080.54/70,857.04
  6. Step 6: Final answer
    x = 53,858.22

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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.