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Finding the Fourth Proportional to 32,970.40, 49,455.60 and 23,639.20

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Solution

The fourth proportional to 32,970.40, 49,455.60 and 23,639.20 is: 35,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,970.40 : 49,455.60 = 23,639.20 : x
  2. Step 2: Convert to fraction form
    32,970.40/49,455.60 = 23,639.20/x
  3. Step 3: Cross multiply
    32,970.40x = 49,455.60 × 23,639.20
  4. Step 4: Simplify right side
    32,970.40x = 1,169,090,819.52
  5. Step 5: Solve for x
    x = 1,169,090,819.52/32,970.40
  6. Step 6: Final answer
    x = 35,458.80

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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.