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Finding the Fourth Proportional to 58,421.76, 80,527.58 and 45,652.76

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Solution

The fourth proportional to 58,421.76, 80,527.58 and 45,652.76 is: 62,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,421.76 : 80,527.58 = 45,652.76 : x
  2. Step 2: Convert to fraction form
    58,421.76/80,527.58 = 45,652.76/x
  3. Step 3: Cross multiply
    58,421.76x = 80,527.58 × 45,652.76
  4. Step 4: Simplify right side
    58,421.76x = 3,676,305,652.22
  5. Step 5: Solve for x
    x = 3,676,305,652.22/58,421.76
  6. Step 6: Final answer
    x = 62,926.99

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Half scale
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Double scale
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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.