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Finding the Fourth Proportional to 56,698, 85,050.60 and 17,258.02

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Solution

The fourth proportional to 56,698, 85,050.60 and 17,258.02 is: 25,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,698 : 85,050.60 = 17,258.02 : x
  2. Step 2: Convert to fraction form
    56,698/85,050.60 = 17,258.02/x
  3. Step 3: Cross multiply
    56,698x = 85,050.60 × 17,258.02
  4. Step 4: Simplify right side
    56,698x = 1,467,804,955.81
  5. Step 5: Solve for x
    x = 1,467,804,955.81/56,698
  6. Step 6: Final answer
    x = 25,888.13

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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.