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Finding the Fourth Proportional to 61,597.90, 85,005.03 and 33,303.52

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Solution

The fourth proportional to 61,597.90, 85,005.03 and 33,303.52 is: 45,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,597.90 : 85,005.03 = 33,303.52 : x
  2. Step 2: Convert to fraction form
    61,597.90/85,005.03 = 33,303.52/x
  3. Step 3: Cross multiply
    61,597.90x = 85,005.03 × 33,303.52
  4. Step 4: Simplify right side
    61,597.90x = 2,830,966,716.71
  5. Step 5: Solve for x
    x = 2,830,966,716.71/61,597.90
  6. Step 6: Final answer
    x = 45,958.82

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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.