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Finding the Fourth Proportional to 19,697.02, 29,545.93 and 5,657.51

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Solution

The fourth proportional to 19,697.02, 29,545.93 and 5,657.51 is: 8,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.02 : 29,545.93 = 5,657.51 : x
  2. Step 2: Convert to fraction form
    19,697.02/29,545.93 = 5,657.51/x
  3. Step 3: Cross multiply
    19,697.02x = 29,545.93 × 5,657.51
  4. Step 4: Simplify right side
    19,697.02x = 167,156,475.37
  5. Step 5: Solve for x
    x = 167,156,475.37/19,697.02
  6. Step 6: Final answer
    x = 8,486.38

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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.