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Finding the Fourth Proportional to 18,483.85, 25,507.69 and 10,526.08

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Solution

The fourth proportional to 18,483.85, 25,507.69 and 10,526.08 is: 14,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.85 : 25,507.69 = 10,526.08 : x
  2. Step 2: Convert to fraction form
    18,483.85/25,507.69 = 10,526.08/x
  3. Step 3: Cross multiply
    18,483.85x = 25,507.69 × 10,526.08
  4. Step 4: Simplify right side
    18,483.85x = 268,495,932.92
  5. Step 5: Solve for x
    x = 268,495,932.92/18,483.85
  6. Step 6: Final answer
    x = 14,525.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.