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Finding the Fourth Proportional to 58,854.60, 88,281.90 and 47,190.60

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Solution

The fourth proportional to 58,854.60, 88,281.90 and 47,190.60 is: 70,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.60 : 88,281.90 = 47,190.60 : x
  2. Step 2: Convert to fraction form
    58,854.60/88,281.90 = 47,190.60/x
  3. Step 3: Cross multiply
    58,854.60x = 88,281.90 × 47,190.60
  4. Step 4: Simplify right side
    58,854.60x = 4,166,075,830.14
  5. Step 5: Solve for x
    x = 4,166,075,830.14/58,854.60
  6. Step 6: Final answer
    x = 70,785.90

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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.