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Finding the Fourth Proportional to 5,030.68, 7,503.32 and 4,943.20

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Solution

The fourth proportional to 5,030.68, 7,503.32 and 4,943.20 is: 7,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.68 : 7,503.32 = 4,943.20 : x
  2. Step 2: Convert to fraction form
    5,030.68/7,503.32 = 4,943.20/x
  3. Step 3: Cross multiply
    5,030.68x = 7,503.32 × 4,943.20
  4. Step 4: Simplify right side
    5,030.68x = 37,090,411.42
  5. Step 5: Solve for x
    x = 37,090,411.42/5,030.68
  6. Step 6: Final answer
    x = 7,372.84

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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.