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Finding the Fourth Proportional to 58,505.44, 87,730.37 and 28,888.67

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Solution

The fourth proportional to 58,505.44, 87,730.37 and 28,888.67 is: 43,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,505.44 : 87,730.37 = 28,888.67 : x
  2. Step 2: Convert to fraction form
    58,505.44/87,730.37 = 28,888.67/x
  3. Step 3: Cross multiply
    58,505.44x = 87,730.37 × 28,888.67
  4. Step 4: Simplify right side
    58,505.44x = 2,534,413,707.91
  5. Step 5: Solve for x
    x = 2,534,413,707.91/58,505.44
  6. Step 6: Final answer
    x = 43,319.28

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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.