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Finding the Fourth Proportional to 4,916.51, 7,337 and 4,391.02

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Solution

The fourth proportional to 4,916.51, 7,337 and 4,391.02 is: 6,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.51 : 7,337 = 4,391.02 : x
  2. Step 2: Convert to fraction form
    4,916.51/7,337 = 4,391.02/x
  3. Step 3: Cross multiply
    4,916.51x = 7,337 × 4,391.02
  4. Step 4: Simplify right side
    4,916.51x = 32,216,913.74
  5. Step 5: Solve for x
    x = 32,216,913.74/4,916.51
  6. Step 6: Final answer
    x = 6,552.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.