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Finding the Fourth Proportional to 70,319.70, 97,040.50 and 38,053.63

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Solution

The fourth proportional to 70,319.70, 97,040.50 and 38,053.63 is: 52,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,319.70 : 97,040.50 = 38,053.63 : x
  2. Step 2: Convert to fraction form
    70,319.70/97,040.50 = 38,053.63/x
  3. Step 3: Cross multiply
    70,319.70x = 97,040.50 × 38,053.63
  4. Step 4: Simplify right side
    70,319.70x = 3,692,742,944.28
  5. Step 5: Solve for x
    x = 3,692,742,944.28/70,319.70
  6. Step 6: Final answer
    x = 52,513.63

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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.