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Finding the Fourth Proportional to 66,598.55, 91,904.47 and 36,384

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Solution

The fourth proportional to 66,598.55, 91,904.47 and 36,384 is: 50,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,598.55 : 91,904.47 = 36,384 : x
  2. Step 2: Convert to fraction form
    66,598.55/91,904.47 = 36,384/x
  3. Step 3: Cross multiply
    66,598.55x = 91,904.47 × 36,384
  4. Step 4: Simplify right side
    66,598.55x = 3,343,852,236.48
  5. Step 5: Solve for x
    x = 3,343,852,236.48/66,598.55
  6. Step 6: Final answer
    x = 50,209.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.