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Finding the Fourth Proportional to 58,709.60, 88,045.92 and 19,257.54

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Solution

The fourth proportional to 58,709.60, 88,045.92 and 19,257.54 is: 28,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709.60 : 88,045.92 = 19,257.54 : x
  2. Step 2: Convert to fraction form
    58,709.60/88,045.92 = 19,257.54/x
  3. Step 3: Cross multiply
    58,709.60x = 88,045.92 × 19,257.54
  4. Step 4: Simplify right side
    58,709.60x = 1,695,547,826.24
  5. Step 5: Solve for x
    x = 1,695,547,826.24/58,709.60
  6. Step 6: Final answer
    x = 28,880.25

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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.