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Finding the Fourth Proportional to 64,607.42, 96,912.95 and 17,860.29

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Solution

The fourth proportional to 64,607.42, 96,912.95 and 17,860.29 is: 26,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,607.42 : 96,912.95 = 17,860.29 : x
  2. Step 2: Convert to fraction form
    64,607.42/96,912.95 = 17,860.29/x
  3. Step 3: Cross multiply
    64,607.42x = 96,912.95 × 17,860.29
  4. Step 4: Simplify right side
    64,607.42x = 1,730,893,302.45
  5. Step 5: Solve for x
    x = 1,730,893,302.45/64,607.42
  6. Step 6: Final answer
    x = 26,790.94

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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.