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Finding the Fourth Proportional to 59,130.63, 88,695.95 and 21,676.55

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Solution

The fourth proportional to 59,130.63, 88,695.95 and 21,676.55 is: 32,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,130.63 : 88,695.95 = 21,676.55 : x
  2. Step 2: Convert to fraction form
    59,130.63/88,695.95 = 21,676.55/x
  3. Step 3: Cross multiply
    59,130.63x = 88,695.95 × 21,676.55
  4. Step 4: Simplify right side
    59,130.63x = 1,922,621,643.11
  5. Step 5: Solve for x
    x = 1,922,621,643.11/59,130.63
  6. Step 6: Final answer
    x = 32,514.82

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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.