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Finding the Fourth Proportional to 17,439,602.40, 26,112,164.40 and 13,660,466.40

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Solution

The fourth proportional to 17,439,602.40, 26,112,164.40 and 13,660,466.40 is: 20,453,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439,602.40 : 26,112,164.40 = 13,660,466.40 : x
  2. Step 2: Convert to fraction form
    17,439,602.40/26,112,164.40 = 13,660,466.40/x
  3. Step 3: Cross multiply
    17,439,602.40x = 26,112,164.40 × 13,660,466.40
  4. Step 4: Simplify right side
    17,439,602.40x = 356,704,344,417,476.12
  5. Step 5: Solve for x
    x = 356,704,344,417,476.12/17,439,602.40
  6. Step 6: Final answer
    x = 20,453,697.06

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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.