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Finding the Fourth Proportional to 72,210.71, 108,289.54 and 24,812.36

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Solution

The fourth proportional to 72,210.71, 108,289.54 and 24,812.36 is: 37,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,210.71 : 108,289.54 = 24,812.36 : x
  2. Step 2: Convert to fraction form
    72,210.71/108,289.54 = 24,812.36/x
  3. Step 3: Cross multiply
    72,210.71x = 108,289.54 × 24,812.36
  4. Step 4: Simplify right side
    72,210.71x = 2,686,918,946.37
  5. Step 5: Solve for x
    x = 2,686,918,946.37/72,210.71
  6. Step 6: Final answer
    x = 37,209.42

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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.