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Finding the Fourth Proportional to 8,851, 13,275.58 and 5,554.32

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Solution

The fourth proportional to 8,851, 13,275.58 and 5,554.32 is: 8,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851 : 13,275.58 = 5,554.32 : x
  2. Step 2: Convert to fraction form
    8,851/13,275.58 = 5,554.32/x
  3. Step 3: Cross multiply
    8,851x = 13,275.58 × 5,554.32
  4. Step 4: Simplify right side
    8,851x = 73,736,819.51
  5. Step 5: Solve for x
    x = 73,736,819.51/8,851
  6. Step 6: Final answer
    x = 8,330.90

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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.