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Finding the Fourth Proportional to 58,340.93, 87,525.29 and 18,897.98

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Solution

The fourth proportional to 58,340.93, 87,525.29 and 18,897.98 is: 28,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,340.93 : 87,525.29 = 18,897.98 : x
  2. Step 2: Convert to fraction form
    58,340.93/87,525.29 = 18,897.98/x
  3. Step 3: Cross multiply
    58,340.93x = 87,525.29 × 18,897.98
  4. Step 4: Simplify right side
    58,340.93x = 1,654,050,789.53
  5. Step 5: Solve for x
    x = 1,654,050,789.53/58,340.93
  6. Step 6: Final answer
    x = 28,351.47

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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.