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Finding the Fourth Proportional to 57,072.60, 85,602.40 and 22,009.32

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Solution

The fourth proportional to 57,072.60, 85,602.40 and 22,009.32 is: 33,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.60 : 85,602.40 = 22,009.32 : x
  2. Step 2: Convert to fraction form
    57,072.60/85,602.40 = 22,009.32/x
  3. Step 3: Cross multiply
    57,072.60x = 85,602.40 × 22,009.32
  4. Step 4: Simplify right side
    57,072.60x = 1,884,050,614.37
  5. Step 5: Solve for x
    x = 1,884,050,614.37/57,072.60
  6. Step 6: Final answer
    x = 33,011.47

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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.