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Finding the Fourth Proportional to 70,887.01, 97,824.02 and 39,055.91

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Solution

The fourth proportional to 70,887.01, 97,824.02 and 39,055.91 is: 53,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,887.01 : 97,824.02 = 39,055.91 : x
  2. Step 2: Convert to fraction form
    70,887.01/97,824.02 = 39,055.91/x
  3. Step 3: Cross multiply
    70,887.01x = 97,824.02 × 39,055.91
  4. Step 4: Simplify right side
    70,887.01x = 3,820,606,120.96
  5. Step 5: Solve for x
    x = 3,820,606,120.96/70,887.01
  6. Step 6: Final answer
    x = 53,897.13

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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.