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Finding the Fourth Proportional to 69,662.51, 96,133.40 and 37,831.63

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Solution

The fourth proportional to 69,662.51, 96,133.40 and 37,831.63 is: 52,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.51 : 96,133.40 = 37,831.63 : x
  2. Step 2: Convert to fraction form
    69,662.51/96,133.40 = 37,831.63/x
  3. Step 3: Cross multiply
    69,662.51x = 96,133.40 × 37,831.63
  4. Step 4: Simplify right side
    69,662.51x = 3,636,883,030.28
  5. Step 5: Solve for x
    x = 3,636,883,030.28/69,662.51
  6. Step 6: Final answer
    x = 52,207.18

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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.