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Finding the Fourth Proportional to 84,792.97, 117,014.75 and 52,980.32

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Solution

The fourth proportional to 84,792.97, 117,014.75 and 52,980.32 is: 73,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,792.97 : 117,014.75 = 52,980.32 : x
  2. Step 2: Convert to fraction form
    84,792.97/117,014.75 = 52,980.32/x
  3. Step 3: Cross multiply
    84,792.97x = 117,014.75 × 52,980.32
  4. Step 4: Simplify right side
    84,792.97x = 6,199,478,899.72
  5. Step 5: Solve for x
    x = 6,199,478,899.72/84,792.97
  6. Step 6: Final answer
    x = 73,113.12

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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.