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Finding the Fourth Proportional to 59,461.79, 89,192.70 and 20,015.60

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Solution

The fourth proportional to 59,461.79, 89,192.70 and 20,015.60 is: 30,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,461.79 : 89,192.70 = 20,015.60 : x
  2. Step 2: Convert to fraction form
    59,461.79/89,192.70 = 20,015.60/x
  3. Step 3: Cross multiply
    59,461.79x = 89,192.70 × 20,015.60
  4. Step 4: Simplify right side
    59,461.79x = 1,785,244,960.16
  5. Step 5: Solve for x
    x = 1,785,244,960.16/59,461.79
  6. Step 6: Final answer
    x = 30,023.40

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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.