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Finding the Fourth Proportional to 4,746.47, 7,119.59 and 1,459.49

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Solution

The fourth proportional to 4,746.47, 7,119.59 and 1,459.49 is: 2,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.47 : 7,119.59 = 1,459.49 : x
  2. Step 2: Convert to fraction form
    4,746.47/7,119.59 = 1,459.49/x
  3. Step 3: Cross multiply
    4,746.47x = 7,119.59 × 1,459.49
  4. Step 4: Simplify right side
    4,746.47x = 10,390,934.81
  5. Step 5: Solve for x
    x = 10,390,934.81/4,746.47
  6. Step 6: Final answer
    x = 2,189.19

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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.