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Finding the Fourth Proportional to 70,298.61, 97,014.66 and 40,079.07

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Solution

The fourth proportional to 70,298.61, 97,014.66 and 40,079.07 is: 55,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,298.61 : 97,014.66 = 40,079.07 : x
  2. Step 2: Convert to fraction form
    70,298.61/97,014.66 = 40,079.07/x
  3. Step 3: Cross multiply
    70,298.61x = 97,014.66 × 40,079.07
  4. Step 4: Simplify right side
    70,298.61x = 3,888,257,349.17
  5. Step 5: Solve for x
    x = 3,888,257,349.17/70,298.61
  6. Step 6: Final answer
    x = 55,310.59

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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.