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Finding the Fourth Proportional to 58,295.52, 87,442.74 and 18,851.76

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Solution

The fourth proportional to 58,295.52, 87,442.74 and 18,851.76 is: 28,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,295.52 : 87,442.74 = 18,851.76 : x
  2. Step 2: Convert to fraction form
    58,295.52/87,442.74 = 18,851.76/x
  3. Step 3: Cross multiply
    58,295.52x = 87,442.74 × 18,851.76
  4. Step 4: Simplify right side
    58,295.52x = 1,648,449,548.22
  5. Step 5: Solve for x
    x = 1,648,449,548.22/58,295.52
  6. Step 6: Final answer
    x = 28,277.47

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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.