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Finding the Fourth Proportional to 59,427.88, 89,197.50 and 31,368.76

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Solution

The fourth proportional to 59,427.88, 89,197.50 and 31,368.76 is: 47,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,427.88 : 89,197.50 = 31,368.76 : x
  2. Step 2: Convert to fraction form
    59,427.88/89,197.50 = 31,368.76/x
  3. Step 3: Cross multiply
    59,427.88x = 89,197.50 × 31,368.76
  4. Step 4: Simplify right side
    59,427.88x = 2,798,014,970.10
  5. Step 5: Solve for x
    x = 2,798,014,970.10/59,427.88
  6. Step 6: Final answer
    x = 47,082.53

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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.