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Finding the Fourth Proportional to 70,886.01, 97,822.64 and 39,054.91

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Solution

The fourth proportional to 70,886.01, 97,822.64 and 39,054.91 is: 53,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,886.01 : 97,822.64 = 39,054.91 : x
  2. Step 2: Convert to fraction form
    70,886.01/97,822.64 = 39,054.91/x
  3. Step 3: Cross multiply
    70,886.01x = 97,822.64 × 39,054.91
  4. Step 4: Simplify right side
    70,886.01x = 3,820,453,881.71
  5. Step 5: Solve for x
    x = 3,820,453,881.71/70,886.01
  6. Step 6: Final answer
    x = 53,895.74

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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.