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Finding the Fourth Proportional to 70,573.06, 97,390.11 and 38,741.14

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Solution

The fourth proportional to 70,573.06, 97,390.11 and 38,741.14 is: 53,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,573.06 : 97,390.11 = 38,741.14 : x
  2. Step 2: Convert to fraction form
    70,573.06/97,390.11 = 38,741.14/x
  3. Step 3: Cross multiply
    70,573.06x = 97,390.11 × 38,741.14
  4. Step 4: Simplify right side
    70,573.06x = 3,773,003,886.13
  5. Step 5: Solve for x
    x = 3,773,003,886.13/70,573.06
  6. Step 6: Final answer
    x = 53,462.38

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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.