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Finding the Fourth Proportional to 58,547.99, 87,729.98 and 45,253.52

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Solution

The fourth proportional to 58,547.99, 87,729.98 and 45,253.52 is: 67,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,547.99 : 87,729.98 = 45,253.52 : x
  2. Step 2: Convert to fraction form
    58,547.99/87,729.98 = 45,253.52/x
  3. Step 3: Cross multiply
    58,547.99x = 87,729.98 × 45,253.52
  4. Step 4: Simplify right side
    58,547.99x = 3,970,089,739.61
  5. Step 5: Solve for x
    x = 3,970,089,739.61/58,547.99
  6. Step 6: Final answer
    x = 67,809.16

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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.