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Finding the Fourth Proportional to 97,589.60, 134,674 and 52,877.60

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Solution

The fourth proportional to 97,589.60, 134,674 and 52,877.60 is: 72,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,589.60 : 134,674 = 52,877.60 : x
  2. Step 2: Convert to fraction form
    97,589.60/134,674 = 52,877.60/x
  3. Step 3: Cross multiply
    97,589.60x = 134,674 × 52,877.60
  4. Step 4: Simplify right side
    97,589.60x = 7,121,237,902.40
  5. Step 5: Solve for x
    x = 7,121,237,902.40/97,589.60
  6. Step 6: Final answer
    x = 72,971.28

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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.