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Finding the Fourth Proportional to 12,537, 17,308.92 and 8,068.51

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Solution

The fourth proportional to 12,537, 17,308.92 and 8,068.51 is: 11,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537 : 17,308.92 = 8,068.51 : x
  2. Step 2: Convert to fraction form
    12,537/17,308.92 = 8,068.51/x
  3. Step 3: Cross multiply
    12,537x = 17,308.92 × 8,068.51
  4. Step 4: Simplify right side
    12,537x = 139,657,194.11
  5. Step 5: Solve for x
    x = 139,657,194.11/12,537
  6. Step 6: Final answer
    x = 11,139.60

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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.