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Finding the Fourth Proportional to 64,883.40, 97,328.30 and 33,779.40

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Solution

The fourth proportional to 64,883.40, 97,328.30 and 33,779.40 is: 50,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,883.40 : 97,328.30 = 33,779.40 : x
  2. Step 2: Convert to fraction form
    64,883.40/97,328.30 = 33,779.40/x
  3. Step 3: Cross multiply
    64,883.40x = 97,328.30 × 33,779.40
  4. Step 4: Simplify right side
    64,883.40x = 3,287,691,577.02
  5. Step 5: Solve for x
    x = 3,287,691,577.02/64,883.40
  6. Step 6: Final answer
    x = 50,670.77

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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.