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Finding the Fourth Proportional to 6,123.47, 8,445.06 and 5,292.41

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Solution

The fourth proportional to 6,123.47, 8,445.06 and 5,292.41 is: 7,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.47 : 8,445.06 = 5,292.41 : x
  2. Step 2: Convert to fraction form
    6,123.47/8,445.06 = 5,292.41/x
  3. Step 3: Cross multiply
    6,123.47x = 8,445.06 × 5,292.41
  4. Step 4: Simplify right side
    6,123.47x = 44,694,677.77
  5. Step 5: Solve for x
    x = 44,694,677.77/6,123.47
  6. Step 6: Final answer
    x = 7,298.92

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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.