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Finding the Fourth Proportional to 70,711.99, 97,603.63 and 46,531.60

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Solution

The fourth proportional to 70,711.99, 97,603.63 and 46,531.60 is: 64,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,711.99 : 97,603.63 = 46,531.60 : x
  2. Step 2: Convert to fraction form
    70,711.99/97,603.63 = 46,531.60/x
  3. Step 3: Cross multiply
    70,711.99x = 97,603.63 × 46,531.60
  4. Step 4: Simplify right side
    70,711.99x = 4,541,653,069.71
  5. Step 5: Solve for x
    x = 4,541,653,069.71/70,711.99
  6. Step 6: Final answer
    x = 64,227.48

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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.