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Finding the Fourth Proportional to 58,547.91, 87,797.22 and 42,653.90

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Solution

The fourth proportional to 58,547.91, 87,797.22 and 42,653.90 is: 63,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,547.91 : 87,797.22 = 42,653.90 : x
  2. Step 2: Convert to fraction form
    58,547.91/87,797.22 = 42,653.90/x
  3. Step 3: Cross multiply
    58,547.91x = 87,797.22 × 42,653.90
  4. Step 4: Simplify right side
    58,547.91x = 3,744,893,403.17
  5. Step 5: Solve for x
    x = 3,744,893,403.17/58,547.91
  6. Step 6: Final answer
    x = 63,962.89

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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.