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Finding the Fourth Proportional to 58,666.93, 87,856.87 and 52,980.74

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Solution

The fourth proportional to 58,666.93, 87,856.87 and 52,980.74 is: 79,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666.93 : 87,856.87 = 52,980.74 : x
  2. Step 2: Convert to fraction form
    58,666.93/87,856.87 = 52,980.74/x
  3. Step 3: Cross multiply
    58,666.93x = 87,856.87 × 52,980.74
  4. Step 4: Simplify right side
    58,666.93x = 4,654,721,986.68
  5. Step 5: Solve for x
    x = 4,654,721,986.68/58,666.93
  6. Step 6: Final answer
    x = 79,341.50

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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.