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Finding the Fourth Proportional to 8,870.76, 13,303.40 and 3,026

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Solution

The fourth proportional to 8,870.76, 13,303.40 and 3,026 is: 4,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.76 : 13,303.40 = 3,026 : x
  2. Step 2: Convert to fraction form
    8,870.76/13,303.40 = 3,026/x
  3. Step 3: Cross multiply
    8,870.76x = 13,303.40 × 3,026
  4. Step 4: Simplify right side
    8,870.76x = 40,256,088.40
  5. Step 5: Solve for x
    x = 40,256,088.40/8,870.76
  6. Step 6: Final answer
    x = 4,538.07

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Why These Related Problems?

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