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Finding the Fourth Proportional to 59,038.40, 88,600.80 and 39,310.40

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Solution

The fourth proportional to 59,038.40, 88,600.80 and 39,310.40 is: 58,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,038.40 : 88,600.80 = 39,310.40 : x
  2. Step 2: Convert to fraction form
    59,038.40/88,600.80 = 39,310.40/x
  3. Step 3: Cross multiply
    59,038.40x = 88,600.80 × 39,310.40
  4. Step 4: Simplify right side
    59,038.40x = 3,482,932,888.32
  5. Step 5: Solve for x
    x = 3,482,932,888.32/59,038.40
  6. Step 6: Final answer
    x = 58,994.36

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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.