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Finding the Fourth Proportional to 59,126.40, 88,689.60 and 48,628.80

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Solution

The fourth proportional to 59,126.40, 88,689.60 and 48,628.80 is: 72,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,126.40 : 88,689.60 = 48,628.80 : x
  2. Step 2: Convert to fraction form
    59,126.40/88,689.60 = 48,628.80/x
  3. Step 3: Cross multiply
    59,126.40x = 88,689.60 × 48,628.80
  4. Step 4: Simplify right side
    59,126.40x = 4,312,868,820.48
  5. Step 5: Solve for x
    x = 4,312,868,820.48/59,126.40
  6. Step 6: Final answer
    x = 72,943.20

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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.