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Finding the Fourth Proportional to 35,373.03, 53,062.98 and 12,889.81

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Solution

The fourth proportional to 35,373.03, 53,062.98 and 12,889.81 is: 19,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.03 : 53,062.98 = 12,889.81 : x
  2. Step 2: Convert to fraction form
    35,373.03/53,062.98 = 12,889.81/x
  3. Step 3: Cross multiply
    35,373.03x = 53,062.98 × 12,889.81
  4. Step 4: Simplify right side
    35,373.03x = 683,971,730.23
  5. Step 5: Solve for x
    x = 683,971,730.23/35,373.03
  6. Step 6: Final answer
    x = 19,335.97

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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.