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Finding the Fourth Proportional to 35,583.79, 53,369.63 and 11,888.65

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Solution

The fourth proportional to 35,583.79, 53,369.63 and 11,888.65 is: 17,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,583.79 : 53,369.63 = 11,888.65 : x
  2. Step 2: Convert to fraction form
    35,583.79/53,369.63 = 11,888.65/x
  3. Step 3: Cross multiply
    35,583.79x = 53,369.63 × 11,888.65
  4. Step 4: Simplify right side
    35,583.79x = 634,492,881.42
  5. Step 5: Solve for x
    x = 634,492,881.42/35,583.79
  6. Step 6: Final answer
    x = 17,830.95

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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.