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Finding the Fourth Proportional to 45,220.64, 62,332.57 and 35,645

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Solution

The fourth proportional to 45,220.64, 62,332.57 and 35,645 is: 49,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.64 : 62,332.57 = 35,645 : x
  2. Step 2: Convert to fraction form
    45,220.64/62,332.57 = 35,645/x
  3. Step 3: Cross multiply
    45,220.64x = 62,332.57 × 35,645
  4. Step 4: Simplify right side
    45,220.64x = 2,221,844,457.65
  5. Step 5: Solve for x
    x = 2,221,844,457.65/45,220.64
  6. Step 6: Final answer
    x = 49,133.41

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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.