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Finding the Fourth Proportional to 58,898.40, 88,347.60 and 35,570.40

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Solution

The fourth proportional to 58,898.40, 88,347.60 and 35,570.40 is: 53,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,898.40 : 88,347.60 = 35,570.40 : x
  2. Step 2: Convert to fraction form
    58,898.40/88,347.60 = 35,570.40/x
  3. Step 3: Cross multiply
    58,898.40x = 88,347.60 × 35,570.40
  4. Step 4: Simplify right side
    58,898.40x = 3,142,559,471.04
  5. Step 5: Solve for x
    x = 3,142,559,471.04/58,898.40
  6. Step 6: Final answer
    x = 53,355.60

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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.