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Finding the Fourth Proportional to 59,358.82, 89,023.65 and 19,915.06

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Solution

The fourth proportional to 59,358.82, 89,023.65 and 19,915.06 is: 29,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,358.82 : 89,023.65 = 19,915.06 : x
  2. Step 2: Convert to fraction form
    59,358.82/89,023.65 = 19,915.06/x
  3. Step 3: Cross multiply
    59,358.82x = 89,023.65 × 19,915.06
  4. Step 4: Simplify right side
    59,358.82x = 1,772,911,331.17
  5. Step 5: Solve for x
    x = 1,772,911,331.17/59,358.82
  6. Step 6: Final answer
    x = 29,867.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.