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Finding the Fourth Proportional to 62,015.40, 93,023.10 and 38,687.40

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Solution

The fourth proportional to 62,015.40, 93,023.10 and 38,687.40 is: 58,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,015.40 : 93,023.10 = 38,687.40 : x
  2. Step 2: Convert to fraction form
    62,015.40/93,023.10 = 38,687.40/x
  3. Step 3: Cross multiply
    62,015.40x = 93,023.10 × 38,687.40
  4. Step 4: Simplify right side
    62,015.40x = 3,598,821,878.94
  5. Step 5: Solve for x
    x = 3,598,821,878.94/62,015.40
  6. Step 6: Final answer
    x = 58,031.10

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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.