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Finding the Fourth Proportional to 65,184.90, 97,777.35 and 25,721.70

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Solution

The fourth proportional to 65,184.90, 97,777.35 and 25,721.70 is: 38,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,184.90 : 97,777.35 = 25,721.70 : x
  2. Step 2: Convert to fraction form
    65,184.90/97,777.35 = 25,721.70/x
  3. Step 3: Cross multiply
    65,184.90x = 97,777.35 × 25,721.70
  4. Step 4: Simplify right side
    65,184.90x = 2,514,999,663.50
  5. Step 5: Solve for x
    x = 2,514,999,663.50/65,184.90
  6. Step 6: Final answer
    x = 38,582.55

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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.