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Finding the Fourth Proportional to 59,881, 89,821.14 and 15,507.64

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Solution

The fourth proportional to 59,881, 89,821.14 and 15,507.64 is: 23,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,881 : 89,821.14 = 15,507.64 : x
  2. Step 2: Convert to fraction form
    59,881/89,821.14 = 15,507.64/x
  3. Step 3: Cross multiply
    59,881x = 89,821.14 × 15,507.64
  4. Step 4: Simplify right side
    59,881x = 1,392,913,903.51
  5. Step 5: Solve for x
    x = 1,392,913,903.51/59,881
  6. Step 6: Final answer
    x = 23,261.37

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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.