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Finding the Fourth Proportional to 15,281.55, 22,948.74 and 9,080.52

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Solution

The fourth proportional to 15,281.55, 22,948.74 and 9,080.52 is: 13,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.55 : 22,948.74 = 9,080.52 : x
  2. Step 2: Convert to fraction form
    15,281.55/22,948.74 = 9,080.52/x
  3. Step 3: Cross multiply
    15,281.55x = 22,948.74 × 9,080.52
  4. Step 4: Simplify right side
    15,281.55x = 208,386,492.54
  5. Step 5: Solve for x
    x = 208,386,492.54/15,281.55
  6. Step 6: Final answer
    x = 13,636.48

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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.