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Finding the Fourth Proportional to 56,594.80, 84,929.04 and 21,534.76

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Solution

The fourth proportional to 56,594.80, 84,929.04 and 21,534.76 is: 32,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,594.80 : 84,929.04 = 21,534.76 : x
  2. Step 2: Convert to fraction form
    56,594.80/84,929.04 = 21,534.76/x
  3. Step 3: Cross multiply
    56,594.80x = 84,929.04 × 21,534.76
  4. Step 4: Simplify right side
    56,594.80x = 1,828,926,493.43
  5. Step 5: Solve for x
    x = 1,828,926,493.43/56,594.80
  6. Step 6: Final answer
    x = 32,316.16

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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.