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Finding the Fourth Proportional to 4,703.40, 7,055.10 and 4,047.30

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Solution

The fourth proportional to 4,703.40, 7,055.10 and 4,047.30 is: 6,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.40 : 7,055.10 = 4,047.30 : x
  2. Step 2: Convert to fraction form
    4,703.40/7,055.10 = 4,047.30/x
  3. Step 3: Cross multiply
    4,703.40x = 7,055.10 × 4,047.30
  4. Step 4: Simplify right side
    4,703.40x = 28,554,106.23
  5. Step 5: Solve for x
    x = 28,554,106.23/4,703.40
  6. Step 6: Final answer
    x = 6,070.95

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Similar ratio
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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.