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Finding the Fourth Proportional to 59,397.66, 89,109.54 and 19,953.72

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Solution

The fourth proportional to 59,397.66, 89,109.54 and 19,953.72 is: 29,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,397.66 : 89,109.54 = 19,953.72 : x
  2. Step 2: Convert to fraction form
    59,397.66/89,109.54 = 19,953.72/x
  3. Step 3: Cross multiply
    59,397.66x = 89,109.54 × 19,953.72
  4. Step 4: Simplify right side
    59,397.66x = 1,778,066,810.49
  5. Step 5: Solve for x
    x = 1,778,066,810.49/59,397.66
  6. Step 6: Final answer
    x = 29,934.96

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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.