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Finding the Fourth Proportional to 15,980.59, 23,971.01 and 4,887.48

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Solution

The fourth proportional to 15,980.59, 23,971.01 and 4,887.48 is: 7,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.59 : 23,971.01 = 4,887.48 : x
  2. Step 2: Convert to fraction form
    15,980.59/23,971.01 = 4,887.48/x
  3. Step 3: Cross multiply
    15,980.59x = 23,971.01 × 4,887.48
  4. Step 4: Simplify right side
    15,980.59x = 117,157,831.95
  5. Step 5: Solve for x
    x = 117,157,831.95/15,980.59
  6. Step 6: Final answer
    x = 7,331.26

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1.5x scale

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.