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Finding the Fourth Proportional to 65,609.76, 90,533.34 and 36,925.92

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Solution

The fourth proportional to 65,609.76, 90,533.34 and 36,925.92 is: 50,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609.76 : 90,533.34 = 36,925.92 : x
  2. Step 2: Convert to fraction form
    65,609.76/90,533.34 = 36,925.92/x
  3. Step 3: Cross multiply
    65,609.76x = 90,533.34 × 36,925.92
  4. Step 4: Simplify right side
    65,609.76x = 3,343,026,870.17
  5. Step 5: Solve for x
    x = 3,343,026,870.17/65,609.76
  6. Step 6: Final answer
    x = 50,953.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.