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Finding the Fourth Proportional to 12,335.70, 17,023.46 and 7,030.40

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Solution

The fourth proportional to 12,335.70, 17,023.46 and 7,030.40 is: 9,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.70 : 17,023.46 = 7,030.40 : x
  2. Step 2: Convert to fraction form
    12,335.70/17,023.46 = 7,030.40/x
  3. Step 3: Cross multiply
    12,335.70x = 17,023.46 × 7,030.40
  4. Step 4: Simplify right side
    12,335.70x = 119,681,733.18
  5. Step 5: Solve for x
    x = 119,681,733.18/12,335.70
  6. Step 6: Final answer
    x = 9,702.06

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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.