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Finding the Fourth Proportional to 47,353.70, 70,642.42 and 46,066.61

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Solution

The fourth proportional to 47,353.70, 70,642.42 and 46,066.61 is: 68,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,353.70 : 70,642.42 = 46,066.61 : x
  2. Step 2: Convert to fraction form
    47,353.70/70,642.42 = 46,066.61/x
  3. Step 3: Cross multiply
    47,353.70x = 70,642.42 × 46,066.61
  4. Step 4: Simplify right side
    47,353.70x = 3,254,256,343.22
  5. Step 5: Solve for x
    x = 3,254,256,343.22/47,353.70
  6. Step 6: Final answer
    x = 68,722.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.