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Finding the Fourth Proportional to 12,866.58, 17,750.23 and 7,559

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Solution

The fourth proportional to 12,866.58, 17,750.23 and 7,559 is: 10,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.58 : 17,750.23 = 7,559 : x
  2. Step 2: Convert to fraction form
    12,866.58/17,750.23 = 7,559/x
  3. Step 3: Cross multiply
    12,866.58x = 17,750.23 × 7,559
  4. Step 4: Simplify right side
    12,866.58x = 134,173,988.57
  5. Step 5: Solve for x
    x = 134,173,988.57/12,866.58
  6. Step 6: Final answer
    x = 10,428.10

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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.