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Finding the Fourth Proportional to 84,697.88, 116,887.76 and 46,971.32

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Solution

The fourth proportional to 84,697.88, 116,887.76 and 46,971.32 is: 64,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.88 : 116,887.76 = 46,971.32 : x
  2. Step 2: Convert to fraction form
    84,697.88/116,887.76 = 46,971.32/x
  3. Step 3: Cross multiply
    84,697.88x = 116,887.76 × 46,971.32
  4. Step 4: Simplify right side
    84,697.88x = 5,490,372,379.04
  5. Step 5: Solve for x
    x = 5,490,372,379.04/84,697.88
  6. Step 6: Final answer
    x = 64,823.02

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1.5x scale

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.