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Finding the Fourth Proportional to 14,647.03, 21,955.86 and 7,256.86

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Solution

The fourth proportional to 14,647.03, 21,955.86 and 7,256.86 is: 10,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.03 : 21,955.86 = 7,256.86 : x
  2. Step 2: Convert to fraction form
    14,647.03/21,955.86 = 7,256.86/x
  3. Step 3: Cross multiply
    14,647.03x = 21,955.86 × 7,256.86
  4. Step 4: Simplify right side
    14,647.03x = 159,330,547.31
  5. Step 5: Solve for x
    x = 159,330,547.31/14,647.03
  6. Step 6: Final answer
    x = 10,878.01

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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.