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Finding the Fourth Proportional to 32,966.60, 45,505.70 and 19,538.11

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Solution

The fourth proportional to 32,966.60, 45,505.70 and 19,538.11 is: 26,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,966.60 : 45,505.70 = 19,538.11 : x
  2. Step 2: Convert to fraction form
    32,966.60/45,505.70 = 19,538.11/x
  3. Step 3: Cross multiply
    32,966.60x = 45,505.70 × 19,538.11
  4. Step 4: Simplify right side
    32,966.60x = 889,095,404.69
  5. Step 5: Solve for x
    x = 889,095,404.69/32,966.60
  6. Step 6: Final answer
    x = 26,969.59

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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.