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Finding the Fourth Proportional to 58,488.93, 87,733.29 and 19,045.98

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Solution

The fourth proportional to 58,488.93, 87,733.29 and 19,045.98 is: 28,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488.93 : 87,733.29 = 19,045.98 : x
  2. Step 2: Convert to fraction form
    58,488.93/87,733.29 = 19,045.98/x
  3. Step 3: Cross multiply
    58,488.93x = 87,733.29 × 19,045.98
  4. Step 4: Simplify right side
    58,488.93x = 1,670,966,486.67
  5. Step 5: Solve for x
    x = 1,670,966,486.67/58,488.93
  6. Step 6: Final answer
    x = 28,568.94

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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.