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Finding the Fourth Proportional to 8,437.96, 12,657.95 and 3,510.93

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Solution

The fourth proportional to 8,437.96, 12,657.95 and 3,510.93 is: 5,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.96 : 12,657.95 = 3,510.93 : x
  2. Step 2: Convert to fraction form
    8,437.96/12,657.95 = 3,510.93/x
  3. Step 3: Cross multiply
    8,437.96x = 12,657.95 × 3,510.93
  4. Step 4: Simplify right side
    8,437.96x = 44,441,176.39
  5. Step 5: Solve for x
    x = 44,441,176.39/8,437.96
  6. Step 6: Final answer
    x = 5,266.82

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1.5x scale

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.