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Finding the Fourth Proportional to 12,862.04, 17,746.29 and 7,555.82

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Solution

The fourth proportional to 12,862.04, 17,746.29 and 7,555.82 is: 10,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.04 : 17,746.29 = 7,555.82 : x
  2. Step 2: Convert to fraction form
    12,862.04/17,746.29 = 7,555.82/x
  3. Step 3: Cross multiply
    12,862.04x = 17,746.29 × 7,555.82
  4. Step 4: Simplify right side
    12,862.04x = 134,087,684.18
  5. Step 5: Solve for x
    x = 134,087,684.18/12,862.04
  6. Step 6: Final answer
    x = 10,425.08

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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.