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Finding the Fourth Proportional to 47,374.60, 70,968.30 and 30,746.20

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Solution

The fourth proportional to 47,374.60, 70,968.30 and 30,746.20 is: 46,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,374.60 : 70,968.30 = 30,746.20 : x
  2. Step 2: Convert to fraction form
    47,374.60/70,968.30 = 30,746.20/x
  3. Step 3: Cross multiply
    47,374.60x = 70,968.30 × 30,746.20
  4. Step 4: Simplify right side
    47,374.60x = 2,182,005,545.46
  5. Step 5: Solve for x
    x = 2,182,005,545.46/47,374.60
  6. Step 6: Final answer
    x = 46,058.55

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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.