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Finding the Fourth Proportional to 14,886.69, 22,330.50 and 7,487.10

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Solution

The fourth proportional to 14,886.69, 22,330.50 and 7,487.10 is: 11,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.69 : 22,330.50 = 7,487.10 : x
  2. Step 2: Convert to fraction form
    14,886.69/22,330.50 = 7,487.10/x
  3. Step 3: Cross multiply
    14,886.69x = 22,330.50 × 7,487.10
  4. Step 4: Simplify right side
    14,886.69x = 167,190,686.55
  5. Step 5: Solve for x
    x = 167,190,686.55/14,886.69
  6. Step 6: Final answer
    x = 11,230.88

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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.