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Finding the Fourth Proportional to 70,756.52, 97,643.99 and 42,462.23

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Solution

The fourth proportional to 70,756.52, 97,643.99 and 42,462.23 is: 58,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,756.52 : 97,643.99 = 42,462.23 : x
  2. Step 2: Convert to fraction form
    70,756.52/97,643.99 = 42,462.23/x
  3. Step 3: Cross multiply
    70,756.52x = 97,643.99 × 42,462.23
  4. Step 4: Simplify right side
    70,756.52x = 4,146,181,349.19
  5. Step 5: Solve for x
    x = 4,146,181,349.19/70,756.52
  6. Step 6: Final answer
    x = 58,597.87

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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.