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Finding the Fourth Proportional to 64,990.57, 97,485.85 and 23,437.57

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Solution

The fourth proportional to 64,990.57, 97,485.85 and 23,437.57 is: 35,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.57 : 97,485.85 = 23,437.57 : x
  2. Step 2: Convert to fraction form
    64,990.57/97,485.85 = 23,437.57/x
  3. Step 3: Cross multiply
    64,990.57x = 97,485.85 × 23,437.57
  4. Step 4: Simplify right side
    64,990.57x = 2,284,830,828.77
  5. Step 5: Solve for x
    x = 2,284,830,828.77/64,990.57
  6. Step 6: Final answer
    x = 35,156.35

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Similar ratio
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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.