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Finding the Fourth Proportional to 75,657.55, 113,459.80 and 22,335.30

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Solution

The fourth proportional to 75,657.55, 113,459.80 and 22,335.30 is: 33,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,657.55 : 113,459.80 = 22,335.30 : x
  2. Step 2: Convert to fraction form
    75,657.55/113,459.80 = 22,335.30/x
  3. Step 3: Cross multiply
    75,657.55x = 113,459.80 × 22,335.30
  4. Step 4: Simplify right side
    75,657.55x = 2,534,158,670.94
  5. Step 5: Solve for x
    x = 2,534,158,670.94/75,657.55
  6. Step 6: Final answer
    x = 33,495.12

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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.