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Finding the Fourth Proportional to 19,607.88, 27,059.00 and 10,655.46

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Solution

The fourth proportional to 19,607.88, 27,059.00 and 10,655.46 is: 14,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.88 : 27,059.00 = 10,655.46 : x
  2. Step 2: Convert to fraction form
    19,607.88/27,059.00 = 10,655.46/x
  3. Step 3: Cross multiply
    19,607.88x = 27,059.00 × 10,655.46
  4. Step 4: Simplify right side
    19,607.88x = 288,326,038.86
  5. Step 5: Solve for x
    x = 288,326,038.86/19,607.88
  6. Step 6: Final answer
    x = 14,704.60

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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.