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Finding the Fourth Proportional to 4,726.93, 7,090.40 and 4,720.10

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Solution

The fourth proportional to 4,726.93, 7,090.40 and 4,720.10 is: 7,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.93 : 7,090.40 = 4,720.10 : x
  2. Step 2: Convert to fraction form
    4,726.93/7,090.40 = 4,720.10/x
  3. Step 3: Cross multiply
    4,726.93x = 7,090.40 × 4,720.10
  4. Step 4: Simplify right side
    4,726.93x = 33,467,397.04
  5. Step 5: Solve for x
    x = 33,467,397.04/4,726.93
  6. Step 6: Final answer
    x = 7,080.15

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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.