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Finding the Fourth Proportional to 24,025.40, 36,038.10 and 21,109.40

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Solution

The fourth proportional to 24,025.40, 36,038.10 and 21,109.40 is: 31,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,025.40 : 36,038.10 = 21,109.40 : x
  2. Step 2: Convert to fraction form
    24,025.40/36,038.10 = 21,109.40/x
  3. Step 3: Cross multiply
    24,025.40x = 36,038.10 × 21,109.40
  4. Step 4: Simplify right side
    24,025.40x = 760,742,668.14
  5. Step 5: Solve for x
    x = 760,742,668.14/24,025.40
  6. Step 6: Final answer
    x = 31,664.10

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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.