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Finding the Fourth Proportional to 17,697.48, 26,557.02 and 7,307.88

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Solution

The fourth proportional to 17,697.48, 26,557.02 and 7,307.88 is: 10,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.48 : 26,557.02 = 7,307.88 : x
  2. Step 2: Convert to fraction form
    17,697.48/26,557.02 = 7,307.88/x
  3. Step 3: Cross multiply
    17,697.48x = 26,557.02 × 7,307.88
  4. Step 4: Simplify right side
    17,697.48x = 194,075,515.32
  5. Step 5: Solve for x
    x = 194,075,515.32/17,697.48
  6. Step 6: Final answer
    x = 10,966.28

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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.