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Finding the Fourth Proportional to 58,945.20, 88,417.80 and 30,854.40

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Solution

The fourth proportional to 58,945.20, 88,417.80 and 30,854.40 is: 46,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,945.20 : 88,417.80 = 30,854.40 : x
  2. Step 2: Convert to fraction form
    58,945.20/88,417.80 = 30,854.40/x
  3. Step 3: Cross multiply
    58,945.20x = 88,417.80 × 30,854.40
  4. Step 4: Simplify right side
    58,945.20x = 2,728,078,168.32
  5. Step 5: Solve for x
    x = 2,728,078,168.32/58,945.20
  6. Step 6: Final answer
    x = 46,281.60

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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.