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Finding the Fourth Proportional to 12,559.96, 17,332.18 and 7,526.98

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Solution

The fourth proportional to 12,559.96, 17,332.18 and 7,526.98 is: 10,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.96 : 17,332.18 = 7,526.98 : x
  2. Step 2: Convert to fraction form
    12,559.96/17,332.18 = 7,526.98/x
  3. Step 3: Cross multiply
    12,559.96x = 17,332.18 × 7,526.98
  4. Step 4: Simplify right side
    12,559.96x = 130,458,877.57
  5. Step 5: Solve for x
    x = 130,458,877.57/12,559.96
  6. Step 6: Final answer
    x = 10,386.89

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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.