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Finding the Fourth Proportional to 32,700.92, 45,128.75 and 19,272.74

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Solution

The fourth proportional to 32,700.92, 45,128.75 and 19,272.74 is: 26,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.92 : 45,128.75 = 19,272.74 : x
  2. Step 2: Convert to fraction form
    32,700.92/45,128.75 = 19,272.74/x
  3. Step 3: Cross multiply
    32,700.92x = 45,128.75 × 19,272.74
  4. Step 4: Simplify right side
    32,700.92x = 869,754,343.27
  5. Step 5: Solve for x
    x = 869,754,343.27/32,700.92
  6. Step 6: Final answer
    x = 26,597.25

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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.