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Finding the Fourth Proportional to 26,419.58, 36,459.28 and 14,483.16

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Solution

The fourth proportional to 26,419.58, 36,459.28 and 14,483.16 is: 19,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.58 : 36,459.28 = 14,483.16 : x
  2. Step 2: Convert to fraction form
    26,419.58/36,459.28 = 14,483.16/x
  3. Step 3: Cross multiply
    26,419.58x = 36,459.28 × 14,483.16
  4. Step 4: Simplify right side
    26,419.58x = 528,045,585.72
  5. Step 5: Solve for x
    x = 528,045,585.72/26,419.58
  6. Step 6: Final answer
    x = 19,986.90

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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.