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Finding the Fourth Proportional to 70,673.15, 97,529.76 and 38,842.10

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Solution

The fourth proportional to 70,673.15, 97,529.76 and 38,842.10 is: 53,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,673.15 : 97,529.76 = 38,842.10 : x
  2. Step 2: Convert to fraction form
    70,673.15/97,529.76 = 38,842.10/x
  3. Step 3: Cross multiply
    70,673.15x = 97,529.76 × 38,842.10
  4. Step 4: Simplify right side
    70,673.15x = 3,788,260,203.25
  5. Step 5: Solve for x
    x = 3,788,260,203.25/70,673.15
  6. Step 6: Final answer
    x = 53,602.54

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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.