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Finding the Fourth Proportional to 30,341.70, 41,866.47 and 16,910.01

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Solution

The fourth proportional to 30,341.70, 41,866.47 and 16,910.01 is: 23,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.70 : 41,866.47 = 16,910.01 : x
  2. Step 2: Convert to fraction form
    30,341.70/41,866.47 = 16,910.01/x
  3. Step 3: Cross multiply
    30,341.70x = 41,866.47 × 16,910.01
  4. Step 4: Simplify right side
    30,341.70x = 707,962,426.36
  5. Step 5: Solve for x
    x = 707,962,426.36/30,341.70
  6. Step 6: Final answer
    x = 23,332.98

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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.