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Finding the Fourth Proportional to 9,931,505.60, 14,897,258.40 and 5,396,542.40

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Solution

The fourth proportional to 9,931,505.60, 14,897,258.40 and 5,396,542.40 is: 8,094,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931,505.60 : 14,897,258.40 = 5,396,542.40 : x
  2. Step 2: Convert to fraction form
    9,931,505.60/14,897,258.40 = 5,396,542.40/x
  3. Step 3: Cross multiply
    9,931,505.60x = 14,897,258.40 × 5,396,542.40
  4. Step 4: Simplify right side
    9,931,505.60x = 80,393,686,599,356.17
  5. Step 5: Solve for x
    x = 80,393,686,599,356.17/9,931,505.60
  6. Step 6: Final answer
    x = 8,094,813.60

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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.