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Finding the Fourth Proportional to 47,368.60, 65,374.90 and 33,019.14

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Solution

The fourth proportional to 47,368.60, 65,374.90 and 33,019.14 is: 45,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.60 : 65,374.90 = 33,019.14 : x
  2. Step 2: Convert to fraction form
    47,368.60/65,374.90 = 33,019.14/x
  3. Step 3: Cross multiply
    47,368.60x = 65,374.90 × 33,019.14
  4. Step 4: Simplify right side
    47,368.60x = 2,158,623,138.19
  5. Step 5: Solve for x
    x = 2,158,623,138.19/47,368.60
  6. Step 6: Final answer
    x = 45,570.76

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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.