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Finding the Fourth Proportional to 58,541.40, 87,812.10 and 46,877.40

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Solution

The fourth proportional to 58,541.40, 87,812.10 and 46,877.40 is: 70,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,541.40 : 87,812.10 = 46,877.40 : x
  2. Step 2: Convert to fraction form
    58,541.40/87,812.10 = 46,877.40/x
  3. Step 3: Cross multiply
    58,541.40x = 87,812.10 × 46,877.40
  4. Step 4: Simplify right side
    58,541.40x = 4,116,402,936.54
  5. Step 5: Solve for x
    x = 4,116,402,936.54/58,541.40
  6. Step 6: Final answer
    x = 70,316.10

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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.