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Finding the Fourth Proportional to 32,700.40, 48,937.20 and 19,562.20

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Solution

The fourth proportional to 32,700.40, 48,937.20 and 19,562.20 is: 29,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.40 : 48,937.20 = 19,562.20 : x
  2. Step 2: Convert to fraction form
    32,700.40/48,937.20 = 19,562.20/x
  3. Step 3: Cross multiply
    32,700.40x = 48,937.20 × 19,562.20
  4. Step 4: Simplify right side
    32,700.40x = 957,319,293.84
  5. Step 5: Solve for x
    x = 957,319,293.84/32,700.40
  6. Step 6: Final answer
    x = 29,275.46

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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.