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Finding the Fourth Proportional to 62,430.60, 93,645.90 and 57,376.20

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Solution

The fourth proportional to 62,430.60, 93,645.90 and 57,376.20 is: 86,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,430.60 : 93,645.90 = 57,376.20 : x
  2. Step 2: Convert to fraction form
    62,430.60/93,645.90 = 57,376.20/x
  3. Step 3: Cross multiply
    62,430.60x = 93,645.90 × 57,376.20
  4. Step 4: Simplify right side
    62,430.60x = 5,373,045,887.58
  5. Step 5: Solve for x
    x = 5,373,045,887.58/62,430.60
  6. Step 6: Final answer
    x = 86,064.30

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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.