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Finding the Fourth Proportional to 58,547.88, 87,831 and 19,095.89

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Solution

The fourth proportional to 58,547.88, 87,831 and 19,095.89 is: 28,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,547.88 : 87,831 = 19,095.89 : x
  2. Step 2: Convert to fraction form
    58,547.88/87,831 = 19,095.89/x
  3. Step 3: Cross multiply
    58,547.88x = 87,831 × 19,095.89
  4. Step 4: Simplify right side
    58,547.88x = 1,677,210,675.44
  5. Step 5: Solve for x
    x = 1,677,210,675.44/58,547.88
  6. Step 6: Final answer
    x = 28,646.82

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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.