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Finding the Fourth Proportional to 24,547.40, 36,821.10 and 21,206.60

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Solution

The fourth proportional to 24,547.40, 36,821.10 and 21,206.60 is: 31,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,547.40 : 36,821.10 = 21,206.60 : x
  2. Step 2: Convert to fraction form
    24,547.40/36,821.10 = 21,206.60/x
  3. Step 3: Cross multiply
    24,547.40x = 36,821.10 × 21,206.60
  4. Step 4: Simplify right side
    24,547.40x = 780,850,339.26
  5. Step 5: Solve for x
    x = 780,850,339.26/24,547.40
  6. Step 6: Final answer
    x = 31,809.90

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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.