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Finding the Fourth Proportional to 70,841.16, 106,280.01 and 26,468.28

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Solution

The fourth proportional to 70,841.16, 106,280.01 and 26,468.28 is: 39,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,841.16 : 106,280.01 = 26,468.28 : x
  2. Step 2: Convert to fraction form
    70,841.16/106,280.01 = 26,468.28/x
  3. Step 3: Cross multiply
    70,841.16x = 106,280.01 × 26,468.28
  4. Step 4: Simplify right side
    70,841.16x = 2,813,049,063.08
  5. Step 5: Solve for x
    x = 2,813,049,063.08/70,841.16
  6. Step 6: Final answer
    x = 39,709.25

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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.