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Finding the Fourth Proportional to 58,013.69, 87,020.60 and 15,894.12

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Solution

The fourth proportional to 58,013.69, 87,020.60 and 15,894.12 is: 23,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,013.69 : 87,020.60 = 15,894.12 : x
  2. Step 2: Convert to fraction form
    58,013.69/87,020.60 = 15,894.12/x
  3. Step 3: Cross multiply
    58,013.69x = 87,020.60 × 15,894.12
  4. Step 4: Simplify right side
    58,013.69x = 1,383,115,779.40
  5. Step 5: Solve for x
    x = 1,383,115,779.40/58,013.69
  6. Step 6: Final answer
    x = 23,841.20

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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.