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Finding the Fourth Proportional to 65,849.52, 98,750.59 and 28,393.50

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Solution

The fourth proportional to 65,849.52, 98,750.59 and 28,393.50 is: 42,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.52 : 98,750.59 = 28,393.50 : x
  2. Step 2: Convert to fraction form
    65,849.52/98,750.59 = 28,393.50/x
  3. Step 3: Cross multiply
    65,849.52x = 98,750.59 × 28,393.50
  4. Step 4: Simplify right side
    65,849.52x = 2,803,874,877.17
  5. Step 5: Solve for x
    x = 2,803,874,877.17/65,849.52
  6. Step 6: Final answer
    x = 42,580.04

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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.