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Finding the Fourth Proportional to 14,528.55, 21,804.50 and 7,510.62

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Solution

The fourth proportional to 14,528.55, 21,804.50 and 7,510.62 is: 11,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.55 : 21,804.50 = 7,510.62 : x
  2. Step 2: Convert to fraction form
    14,528.55/21,804.50 = 7,510.62/x
  3. Step 3: Cross multiply
    14,528.55x = 21,804.50 × 7,510.62
  4. Step 4: Simplify right side
    14,528.55x = 163,765,221.73
  5. Step 5: Solve for x
    x = 163,765,221.73/14,528.55
  6. Step 6: Final answer
    x = 11,271.96

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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.