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Finding the Fourth Proportional to 70,710.71, 106,038.32 and 26,313.17

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Solution

The fourth proportional to 70,710.71, 106,038.32 and 26,313.17 is: 39,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,710.71 : 106,038.32 = 26,313.17 : x
  2. Step 2: Convert to fraction form
    70,710.71/106,038.32 = 26,313.17/x
  3. Step 3: Cross multiply
    70,710.71x = 106,038.32 × 26,313.17
  4. Step 4: Simplify right side
    70,710.71x = 2,790,203,678.92
  5. Step 5: Solve for x
    x = 2,790,203,678.92/70,710.71
  6. Step 6: Final answer
    x = 39,459.42

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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.