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Finding the Fourth Proportional to 12,358.01, 17,053.15 and 7,051.80

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Solution

The fourth proportional to 12,358.01, 17,053.15 and 7,051.80 is: 9,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.01 : 17,053.15 = 7,051.80 : x
  2. Step 2: Convert to fraction form
    12,358.01/17,053.15 = 7,051.80/x
  3. Step 3: Cross multiply
    12,358.01x = 17,053.15 × 7,051.80
  4. Step 4: Simplify right side
    12,358.01x = 120,255,403.17
  5. Step 5: Solve for x
    x = 120,255,403.17/12,358.01
  6. Step 6: Final answer
    x = 9,730.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.