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Finding the Fourth Proportional to 59,953.40, 89,930.10 and 18,400.40

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Solution

The fourth proportional to 59,953.40, 89,930.10 and 18,400.40 is: 27,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,953.40 : 89,930.10 = 18,400.40 : x
  2. Step 2: Convert to fraction form
    59,953.40/89,930.10 = 18,400.40/x
  3. Step 3: Cross multiply
    59,953.40x = 89,930.10 × 18,400.40
  4. Step 4: Simplify right side
    59,953.40x = 1,654,749,812.04
  5. Step 5: Solve for x
    x = 1,654,749,812.04/59,953.40
  6. Step 6: Final answer
    x = 27,600.60

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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.