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Finding the Fourth Proportional to 7,798.71, 10,762.43 and 4,773.77

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Solution

The fourth proportional to 7,798.71, 10,762.43 and 4,773.77 is: 6,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.71 : 10,762.43 = 4,773.77 : x
  2. Step 2: Convert to fraction form
    7,798.71/10,762.43 = 4,773.77/x
  3. Step 3: Cross multiply
    7,798.71x = 10,762.43 × 4,773.77
  4. Step 4: Simplify right side
    7,798.71x = 51,377,363.94
  5. Step 5: Solve for x
    x = 51,377,363.94/7,798.71
  6. Step 6: Final answer
    x = 6,587.93

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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.