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Finding the Fourth Proportional to 58,707.84, 88,032.48 and 19,260.48

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Solution

The fourth proportional to 58,707.84, 88,032.48 and 19,260.48 is: 28,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,707.84 : 88,032.48 = 19,260.48 : x
  2. Step 2: Convert to fraction form
    58,707.84/88,032.48 = 19,260.48/x
  3. Step 3: Cross multiply
    58,707.84x = 88,032.48 × 19,260.48
  4. Step 4: Simplify right side
    58,707.84x = 1,695,547,820.39
  5. Step 5: Solve for x
    x = 1,695,547,820.39/58,707.84
  6. Step 6: Final answer
    x = 28,881.11

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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.