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Finding the Fourth Proportional to 58,689.65, 88,045.41 and 19,258.04

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Solution

The fourth proportional to 58,689.65, 88,045.41 and 19,258.04 is: 28,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,689.65 : 88,045.41 = 19,258.04 : x
  2. Step 2: Convert to fraction form
    58,689.65/88,045.41 = 19,258.04/x
  3. Step 3: Cross multiply
    58,689.65x = 88,045.41 × 19,258.04
  4. Step 4: Simplify right side
    58,689.65x = 1,695,581,587.37
  5. Step 5: Solve for x
    x = 1,695,581,587.37/58,689.65
  6. Step 6: Final answer
    x = 28,890.64

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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.