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Finding the Fourth Proportional to 12,746.66, 19,117.77 and 3,510.50

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Solution

The fourth proportional to 12,746.66, 19,117.77 and 3,510.50 is: 5,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.66 : 19,117.77 = 3,510.50 : x
  2. Step 2: Convert to fraction form
    12,746.66/19,117.77 = 3,510.50/x
  3. Step 3: Cross multiply
    12,746.66x = 19,117.77 × 3,510.50
  4. Step 4: Simplify right side
    12,746.66x = 67,112,931.59
  5. Step 5: Solve for x
    x = 67,112,931.59/12,746.66
  6. Step 6: Final answer
    x = 5,265.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.