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Finding the Fourth Proportional to 13,248.63, 18,282.03 and 7,582.08

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Solution

The fourth proportional to 13,248.63, 18,282.03 and 7,582.08 is: 10,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.63 : 18,282.03 = 7,582.08 : x
  2. Step 2: Convert to fraction form
    13,248.63/18,282.03 = 7,582.08/x
  3. Step 3: Cross multiply
    13,248.63x = 18,282.03 × 7,582.08
  4. Step 4: Simplify right side
    13,248.63x = 138,615,814.02
  5. Step 5: Solve for x
    x = 138,615,814.02/13,248.63
  6. Step 6: Final answer
    x = 10,462.65

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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.