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Finding the Fourth Proportional to 58,295.40, 87,443.10 and 53,824.20

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Solution

The fourth proportional to 58,295.40, 87,443.10 and 53,824.20 is: 80,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,295.40 : 87,443.10 = 53,824.20 : x
  2. Step 2: Convert to fraction form
    58,295.40/87,443.10 = 53,824.20/x
  3. Step 3: Cross multiply
    58,295.40x = 87,443.10 × 53,824.20
  4. Step 4: Simplify right side
    58,295.40x = 4,706,554,903.02
  5. Step 5: Solve for x
    x = 4,706,554,903.02/58,295.40
  6. Step 6: Final answer
    x = 80,736.30

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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.