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Finding the Fourth Proportional to 70,395.73, 105,602.40 and 23,015.59

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Solution

The fourth proportional to 70,395.73, 105,602.40 and 23,015.59 is: 34,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,395.73 : 105,602.40 = 23,015.59 : x
  2. Step 2: Convert to fraction form
    70,395.73/105,602.40 = 23,015.59/x
  3. Step 3: Cross multiply
    70,395.73x = 105,602.40 × 23,015.59
  4. Step 4: Simplify right side
    70,395.73x = 2,430,501,277.41
  5. Step 5: Solve for x
    x = 2,430,501,277.41/70,395.73
  6. Step 6: Final answer
    x = 34,526.26

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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.