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Finding the Fourth Proportional to 70,713.95, 97,605.92 and 42,053.76

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Solution

The fourth proportional to 70,713.95, 97,605.92 and 42,053.76 is: 58,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,713.95 : 97,605.92 = 42,053.76 : x
  2. Step 2: Convert to fraction form
    70,713.95/97,605.92 = 42,053.76/x
  3. Step 3: Cross multiply
    70,713.95x = 97,605.92 × 42,053.76
  4. Step 4: Simplify right side
    70,713.95x = 4,104,696,039.39
  5. Step 5: Solve for x
    x = 4,104,696,039.39/70,713.95
  6. Step 6: Final answer
    x = 58,046.49

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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.