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Finding the Fourth Proportional to 57,070.16, 85,619.28 and 22,012.28

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Solution

The fourth proportional to 57,070.16, 85,619.28 and 22,012.28 is: 33,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.16 : 85,619.28 = 22,012.28 : x
  2. Step 2: Convert to fraction form
    57,070.16/85,619.28 = 22,012.28/x
  3. Step 3: Cross multiply
    57,070.16x = 85,619.28 × 22,012.28
  4. Step 4: Simplify right side
    57,070.16x = 1,884,675,564.76
  5. Step 5: Solve for x
    x = 1,884,675,564.76/57,070.16
  6. Step 6: Final answer
    x = 33,023.84

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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.