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Finding the Fourth Proportional to 19,358.60, 29,037.90 and 14,984.60

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Solution

The fourth proportional to 19,358.60, 29,037.90 and 14,984.60 is: 22,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.60 : 29,037.90 = 14,984.60 : x
  2. Step 2: Convert to fraction form
    19,358.60/29,037.90 = 14,984.60/x
  3. Step 3: Cross multiply
    19,358.60x = 29,037.90 × 14,984.60
  4. Step 4: Simplify right side
    19,358.60x = 435,121,316.34
  5. Step 5: Solve for x
    x = 435,121,316.34/19,358.60
  6. Step 6: Final answer
    x = 22,476.90

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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.