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Finding the Fourth Proportional to 58,329.32, 87,502.48 and 28,748.93

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Solution

The fourth proportional to 58,329.32, 87,502.48 and 28,748.93 is: 43,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,329.32 : 87,502.48 = 28,748.93 : x
  2. Step 2: Convert to fraction form
    58,329.32/87,502.48 = 28,748.93/x
  3. Step 3: Cross multiply
    58,329.32x = 87,502.48 × 28,748.93
  4. Step 4: Simplify right side
    58,329.32x = 2,515,602,162.96
  5. Step 5: Solve for x
    x = 2,515,602,162.96/58,329.32
  6. Step 6: Final answer
    x = 43,127.58

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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.