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Finding the Fourth Proportional to 12,335.58, 17,021.88 and 7,030.08

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Solution

The fourth proportional to 12,335.58, 17,021.88 and 7,030.08 is: 9,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.58 : 17,021.88 = 7,030.08 : x
  2. Step 2: Convert to fraction form
    12,335.58/17,021.88 = 7,030.08/x
  3. Step 3: Cross multiply
    12,335.58x = 17,021.88 × 7,030.08
  4. Step 4: Simplify right side
    12,335.58x = 119,665,178.15
  5. Step 5: Solve for x
    x = 119,665,178.15/12,335.58
  6. Step 6: Final answer
    x = 9,700.81

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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.