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Finding the Fourth Proportional to 23,259.60, 32,097.60 and 12,649.68

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Solution

The fourth proportional to 23,259.60, 32,097.60 and 12,649.68 is: 17,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,259.60 : 32,097.60 = 12,649.68 : x
  2. Step 2: Convert to fraction form
    23,259.60/32,097.60 = 12,649.68/x
  3. Step 3: Cross multiply
    23,259.60x = 32,097.60 × 12,649.68
  4. Step 4: Simplify right side
    23,259.60x = 406,024,368.77
  5. Step 5: Solve for x
    x = 406,024,368.77/23,259.60
  6. Step 6: Final answer
    x = 17,456.21

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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.