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Finding the Fourth Proportional to 58,547.48, 87,825.13 and 20,592.19

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Solution

The fourth proportional to 58,547.48, 87,825.13 and 20,592.19 is: 30,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,547.48 : 87,825.13 = 20,592.19 : x
  2. Step 2: Convert to fraction form
    58,547.48/87,825.13 = 20,592.19/x
  3. Step 3: Cross multiply
    58,547.48x = 87,825.13 × 20,592.19
  4. Step 4: Simplify right side
    58,547.48x = 1,808,511,822.04
  5. Step 5: Solve for x
    x = 1,808,511,822.04/58,547.48
  6. Step 6: Final answer
    x = 30,889.66

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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.